id:A026898 - OEIS Search Results

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Sum((n-k+1)^k, k=0..n).

+0
11

1, 2, 4, 9, 23, 66, 210, 733, 2781, 11378, 49864, 232769, 1151915, 6018786, 33087206, 190780213, 1150653921, 7241710930, 47454745804, 323154696185, 2282779990495, 16700904488706, 126356632390298 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Row sums of A004248, A009998, A009999.`
	MAPLE	`a:=n->sum (j^(n-j), j=1..n): seq(a(n), n=1..23); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 18 2009]`
	CROSSREFS	`Cf. A038125, A062810. A026898(n) = A003101(n)+1` `First differences are in A047970. First differences of A103439.` `Antidiagonal sums of array A003992.` `Sequence in context: A129698 A117419 A124461 this_sequence A088930 A089844 A113997` `Adjacent sequences: A026895 A026896 A026897 this_sequence A026899 A026900 A026901`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research