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 A065124 #20 Dec 16 2024 14:55:23
%S A065124 0,1,1,2,3,5,8,13,21,25,28,35,45,53,62,70,78,85,100,113,114,119,125,
%T A065124 136,144,154,163,173,183,194,206,220,228,232,244,251,261,269,278,295,
%U A065124 312,328,334,347,357,371,386,397,414,433,442,452,462,473,485,499,516
%N A065124 a(n) = (sum of digits of a(n-2)) + a(n-1); a(0) = 0 and a(1) = 1.
%H A065124 Harry J. Smith, <a href="/A065124/b065124.txt">Table of n, a(n) for n = 0..1000</a>
%F A065124 A010888(a(n)) = A030132(n). - _Davide Rotondo_, Dec 02 2024
%t A065124 a[0] = 0; a[1] = 1; a[n_] := a[n] = Apply[ Plus, IntegerDigits[ a[n - 2] ]] + a[n - 1]; Table[ a[n], {n, 0, 100} ]
%o A065124 (PARI) { for (n=0, 1000, if (n>1, a=sumdigits(a2) + a1; a2=a1; a1=a, if (n, a=a1=1, a=a2=0)); write("b065124.txt", n, " ", a) ) } \\ _Harry J. Smith_, Oct 10 2009
%Y A065124 Cf. A007612, A007953, A065076.
%Y A065124 Cf. A010888, A030132.
%K A065124 base,easy,nonn
%O A065124 0,4
%A A065124 _Robert G. Wilson v_, Nov 13 2001