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A341417
Row sums of triangle A339885.
1
1, 2, 2, 3, 2, 3, 1, 2, 0, 2, 0, 4, 2, 7, 5, 10, 6, 11, 5, 10, 3, 10, 3, 13, 6, 19, 11, 25, 14, 29, 14, 30, 12, 31, 12, 36, 16, 45, 23, 56, 30, 65, 33, 71, 34, 76, 35, 84, 40, 97, 48, 113, 58, 129, 66, 144, 71, 157, 76, 172, 83, 192
OFFSET
1,2
FORMULA
a(n) = Sum_{m=1..n} A339885(n, m), for n >= 1.
G.f.: 1/Product_{j>=1} (1 - (A057077(j-1)*x)^(A001318(n)) - 1.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Feb 15 2021
STATUS
approved