This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A206524 #5 Mar 30 2012 16:52:09 %S A206524 6,14,16,36,50,53,54,56,57,63,65,74,77,78,81,84,86,88,95,96,101,102, %T A206524 107,109,113,115,116,127,132,134,136,137,141,142,148,150,151,154,155, %U A206524 163,166,168,173,177,180,181,182,185,188,192,196,197,200,207,209,213,216,218,221,222,223,224,225,226,229,231,234,237,239,240,241,243,244,247,254 %N A206524 By definition, the sequences A004210, A206522 and A206523 are disjoint; the present sequence gives the complement of their union. %Y A206524 Cf. A004210, A206522, A206524. %K A206524 nonn %O A206524 1,1 %A A206524 _N. J. A. Sloane_, Feb 08 2012