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A104879
Row sums of a sum-of-powers triangle.
4
1, 2, 4, 8, 17, 40, 106, 316, 1049, 3830, 15208, 65072, 297841, 1449756, 7468542, 40555748, 231335961, 1381989882, 8623700812, 56078446616, 379233142801, 2662013133296, 19362917622002, 145719550012300, 1133023004941273, 9090156910550110, 75161929739797520
OFFSET
0,2
FORMULA
a(n) = 1 + n + Sum_{k=2..n+1} (k^(n-k+1)-1)/(k-1).
a(n) = 1 + A103439(n). - Mathew Englander, Dec 19 2020
CROSSREFS
Row sums of A104878.
Cf. A103439 (terms differ by 1), A026898 (first differences).
Sequence in context: A210540 A332398 A307555 * A366220 A331686 A373632
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Mar 28 2005
STATUS
approved