cp's OEIS Frontend

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.

A051455 (Terms in A029623)/2.

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%I A051455 #6 Jul 02 2025 16:01:58
%S A051455 1,1,4,1,1,7,13,12,1,20,25,1,10,45,24,1,1,13,50,112,161,154,98,40,1,
%T A051455 63,162,273,315,252,138,1,16,225,435,588,567,390,60,1,660,1023,1155,
%U A051455 957,1,19,111,396,1683,2178,2112,825,319,84,1,130,507,3861,4290,1144,403,1
%N A051455 (Terms in A029623)/2.
%e A051455 1;
%e A051455 1;
%e A051455 4,1;
%e A051455 1;
%e A051455 7,13,12,1;
%e A051455 20,25,1;
%e A051455 10,45,24,1;
%e A051455 1;
%e A051455 13,50,112,161,154,98,40,1;
%e A051455 63,162,273,315,252,138,1;
%e A051455 16,225,435,588,567,390,60,1;
%e A051455 660,1023,1155,957,1;
%p A051455 for n from 0 to 12 do
%p A051455     for k from 0 to n do
%p A051455         a := A029618(n,k) ;
%p A051455         if type(a,'even') then
%p A051455             printf("%d,",a/2) ;
%p A051455         end if;
%p A051455     end do:
%p A051455     printf("\n") ;
%p A051455 end do: # _R. J. Mathar_, Jul 08 2015
%Y A051455 A029623, A029618.
%K A051455 nonn,easy,tabf
%O A051455 0,3
%A A051455 _James Sellers_