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A076015 Row sums of triangle A076014. 8
1, 3, 14, 100, 979, 12201, 184820, 3297456, 67731333, 1574304985, 40851766526, 1170684360924, 36720042483591, 1251308658130545, 46034015337733480, 1818399978159990976, 76762718946972480009 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..387

FORMULA

a(n) = Sum_{m=1..n} m^(n-1), n>=1.

MAPLE

a:=n->sum((n-j+1)^n, j=0..n): seq(a(n), n=0..17); # Zerinvary Lajos, Jun 05 2008

MATHEMATICA

f[n_]:=Module[{s=0}, Do[s+=a^n, {a, 0, n+1}]; s]; Table[f[n], {n, 20}] (* Vladimir Joseph Stephan Orlovsky, Feb 18 2010 *)

Table[Sum[m^(n-1), {m, n}], {n, 20}] (* Harvey P. Dale, Jan 26 2016 *)

PROG

(PARI) vector(20, n, sum(m=1, n, m^(n-1))) \\ Michel Marcus, Jan 14 2015

CROSSREFS

Cf. A076014.

A diagonal of array A103438.

Sequence in context: A140963 A284759 A284760 * A004659 A054202 A084420

Adjacent sequences:  A076012 A076013 A076014 * A076016 A076017 A076018

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Oct 02 2002

STATUS

approved

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Last modified October 7 14:13 EDT 2022. Contains 357271 sequences. (Running on oeis4.)