A095937 a(n) = Sum_{k=0..n} (k-1)^k.

1, 2, 10, 91, 1115, 16740, 296676, 6061477, 140279205, 3627063606, 103627063606, 3242055440327, 110235260819399, 4047611646518688, 159615707204330912, 6728024062917221537, 301875929242270047393, 14364960381309995038402

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Sergio Silva, Teste Numerico [Dead link]

Maple

a:=n->sum ((j-1)^j, j=0..n): seq(a(n), n=1..19); # Zerinvary Lajos, Dec 17 2008

Prog

(PARI) a(n) = sum(k=0, n, (k-1)^k); \\ Michel Marcus, Aug 17 2017

Crossrefs

Sequence in context: A067550 A086587 A082472 * A277380 A108528 A181136

Adjacent sequences: A095934 A095935 A095936 * A095938 A095939 A095940

Keyword

nonn

Author

Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 13 2004

Extensions

Offset corrected by Michel Marcus, Aug 17 2017

Status

approved