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.

A370290 Row sums of A370220.

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%I A370290 #14 Feb 20 2024 01:15:45
%S A370290 1,4,3,9,8,8,7,6,16,15,15,14,13,15,14,14,13,12,13,12,11,10,25,24,24,
%T A370290 23,22,24,23,23,22,21,22,21,20,19,24,23,23,22,21,23,22,22,21,20,21,20,
%U A370290 19,18,22,21,21,20,19,20,19,18,17,19,18,17,16,15,36,35,35,34
%N A370290 Row sums of A370220.
%C A370290 See A370220 for more information.
%H A370290 Paolo Xausa, <a href="/A370290/b370290.txt">Table of n, a(n) for n = 1..10000</a>
%t A370290 zsums[m_] := With[{r = 2*Range[2, m]}, Reverse[Map[Total[#]+1 &, Select[Subsets[Range[2, 2*m-1], {m-1}], Min[r-#] > 0 &]]]];
%t A370290 Flatten[Array[zsums, 6]]
%Y A370290 Cf. A370220.
%K A370290 nonn
%O A370290 1,2
%A A370290 _Paolo Xausa_, Feb 14 2024