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 A276448 #12 Sep 12 2016 17:02:18 %S A276448 25,55,77,85,91,115,119,121,133,143,145,161,175,187,203,205,209,221, %T A276448 235,247,253,265,287,295,301,325,329,341,343,355,361,371,377,385,403, %U A276448 407,413,415,437,445,473,475,481,493,497,505,511,517,527,535,539,551,553,565,581,595,623,625,655,667,671,685,697,703,707,713,715,721 %N A276448 Numbers n for which A272565(n) > A020639(n). %H A276448 Antti Karttunen, <a href="/A276448/b276448.txt">Table of n, a(n) for n = 1..2000</a> %e A276448 85 is the fourth number of the fourth row of A255127, which starts with 7: 7, 31, 59, 85, ..., thus A272565(85)=7, while on A083221 it occurs as the sixth term on the third row that starts with 5, thus A020639(85)=5, and 7 > 5, thus 85 is included in this sequence. %o A276448 (Scheme, with _Antti Karttunen_'s IntSeq-library) %o A276448 (define A276448 (MATCHING-POS 1 1 (lambda (n) (> (A272565 n) (A020639 n))))) %Y A276448 Cf. A276447 (complement in A276437), A276347. %Y A276448 Cf. A020639, A272565, A192504, A083221, A255127. %K A276448 nonn %O A276448 1,1 %A A276448 _Antti Karttunen_, Sep 11 2016