A196793 a(n) = T(n,n), array T given by A047848.

1, 2, 7, 44, 401, 4682, 66431, 1111112, 21435889, 469070942, 11488207655, 311505013052, 9267595563617, 300239975158034, 10523614159962559, 396861212733968144, 16024522975978953761, 689852631578947368422, 31544039619835776489479

Offset

0,2

Comments

T(k, n) = ((k+3)^n+k+1)/(k+2).

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..300

Formula

a(n) = ((n+3)^n+n+1)/(n+2).

Maple

A196793:=n->((n+3)^n+n+1)/(n+2); seq(A196793(k), k=0..50); # Wesley Ivan Hurt, Nov 08 2013

Mathematica

Table[((n+3)^n+n+1)/(n+2), {n, 0, 50}] (* Wesley Ivan Hurt, Nov 08 2013 *)

Prog

(Magma) [((n+3)^n+n+1)/(n+2): n in [0..20]]

Crossrefs

Cf. A047848, A047849, A047850, A047851, A047852, A047853, A047854, A047855, A047856

Sequence in context: A077045 A178012 A194018 * A306880 A128579 A194453

Adjacent sequences: A196790 A196791 A196792 * A196794 A196795 A196796

Keyword

nonn

Author

Vincenzo Librandi, Oct 11 2011

Status

approved