Edit of A014580. Just added one %Y-line, one %H-line and the %E-line. Plus that the line-length-limits allowed two terms more: %I A014580 %S A014580 2,3,7,11,13,19,25,31,37,41,47,55,59,61,67,73,87,91,97,103,109,115, %T A014580 117,131,137,143,145,157,167,171,185,191,193,203,211,213,229,239,241, %U A014580 247,253,283,285,299,301,313,319,333,351,355,357,361,369,375,379,391 %N A014580 Binary irreducible polynomials (primes in ring GF(2)[ X ]), evaluated at X=2. %C A014580 Or, binary irreducible polynomials, interpreted as binary vectors, then written in base 10. %e A014580 x^4 + x^3 + 1 -> 16+8+1 = 25. Or, x^4 + x^3 + 1 -> 11001 (binary) = 25 (decimal). %H A014580 Index entries for sequences operating on GF(2)[X]-polynomials %Y A014580 Cf. A000031, A001037, A048720. Written in binary: A058943. %Y A014580 Characteristic function: A091225. Inverse: A091227. a(n) = A091202(A000040(n)). Almost complement of A091242. Union of A091206 & A091214, and also of A091250 & A091252. First differences: A091223. Apart from a(2)=3, a subset of A000069. %Y A014580 Sequence in context: A045322 A023221 A040116 this_sequence A038963 A038895 A040152 %Y A014580 Adjacent sequences: A014577 A014578 A014579 this_sequence A014581 A014582 A014583 %K A014580 nonn %O A014580 1,1 %A A014580 petry(AT)accessone.com (David Petry) %E A014580 Starting offset changed from 0 to 1 by Antti Karttunen (His-Firstname.His-Surname(AT)iki.fi), Jan 03 2004. (To conform with the sequences A058943 and A000040).