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 A023624 #7 Jun 08 2019 07:04:16 %S A023624 0,1,4,7,12,22,37,62,102,166,269,438,710,1151,1864,3018,4885,7906, %T A023624 12794,20702,33497,54202,87702,141907,229612,371522,601137,972662, %U A023624 1573802,2546467,4120272,6666742,10787017,17453762,28240781,45694544 %N A023624 Convolution of Lucas numbers and A014306. %K A023624 nonn %O A023624 1,3 %A A023624 _Clark Kimberling_ %E A023624 a(28) corrected and more terms from _Sean A. Irvine_, Jun 08 2019