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A026985
a(n) = Sum_{k=0..n} (k+1) * A026670(n, k).
0
1, 3, 10, 25, 69, 161, 412, 927, 2275, 5005, 11958, 25909, 60753, 130185, 301064, 639761, 1463787, 3090217, 7010750, 14722575, 33171193, 69357949, 155376996, 323702075, 721673251, 1498859829, 3327877658, 6893460863
OFFSET
0,2
CROSSREFS
Sequence in context: A130783 A026975 A296668 * A319919 A027227 A319748
KEYWORD
nonn
STATUS
approved