A098462 - OEIS

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A098462

a(n) = n^n + (n+1)^n.

2, 3, 13, 91, 881, 10901, 164305, 2920695, 59823937, 1387420489, 35937424601, 1028320041299, 32214185570737, 1096589879846397, 40304932850948641, 1590815394987706351, 67107935949376420097, 3013151821625033296145, 143473758373207779108265

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..18.

FORMULA

From Alois P. Heinz, Mar 19 2020: (Start)

a(n) = A000312(n) + A000169(n+1).

E.g.f.: (x-LambertW(-x))/((1+LambertW(-x))*x). (End)

PROG

(PARI) a(n) = n^n + (n+1)^n; \\ Jinyuan Wang, Mar 19 2020

CROSSREFS