A376168 -id:A376168 - cp's OEIS frontend

A376169 Row sums of A376168.

4, 26, 44, 102, 92, 290, 156, 366, 332, 614, 332, 1166, 444, 1050, 1076, 1310, 716, 2234, 876, 2522, 1860, 2258, 1244, 4310, 1812, 3030, 2564, 4374, 1916, 7262, 2172, 4798, 4052, 4910, 4164, 9302, 3036, 6018, 5460, 9554, 3692, 12642, 4044, 9566, 8852, 8570, 4796

Offset: 1

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Paolo Xausa, Sep 13 2024

nonn

Paolo Xausa, Table of n, a(n) for n = 1..1000

Cf. A048691, A376168.

A376168row[n_] := Module[{a, b}, SolveValues[1/a + 1/b == 1/n && a > 0 && b > 0, {a, b}, Integers]];
Array[Total[A376168row[#], 2] &, 50]

a(n) = Sum_{k = 1..2*A048691(n)} A376168(n,k).

a(n) = 2*Sum_{k = 1..A048691(n)} A376168(n,k).

cp's OEIS Frontend

A376169 Row sums of A376168.

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