A165710 Partial sums of A046882.

1, 2, 6, 46662, 1333735776850284124449081472890438

Offset

0,2

Links

Table of n, a(n) for n=0..4.

Formula

a(n) = Sum_{k=0..n) (k!)^(k!) = 1 + A165711(n).

Mathematica

s=0; lst={}; Do[AppendTo[lst, s+=n!^n! ], {n, 0, 6, 1}]; lst
Accumulate[Table[(n!)^n!, {n, 0, 5}]]  (* Harvey P. Dale, Apr 01 2011 *)

Crossrefs

Cf. A046882, A165711.

Sequence in context: A184391 A161563 A135408 * A151995 A152210 A206034

Adjacent sequences: A165707 A165708 A165709 * A165711 A165712 A165713

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Sep 24 2009

Extensions

Definition simplified by R. J. Mathar, Sep 25 2009

Status

approved