1,2

a(n) = sum(A010051(A077664(n,k)): k = 1..n).

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

(Haskell)

a260895 = sum . map a010051' . a077664_row

Cf. A077664, A010051.

Sequence in context: A068903 A329607 A108499 * A107753 A197929 A326849

Adjacent sequences: A260892 A260893 A260894 * A260896 A260897 A260898

nonn

Reinhard Zumkeller, Aug 03 2015

approved