A193521 - cp's OEIS frontend

A193521 G.f.: A(x) = ( Sum_{n>=0} x^n/sf(n) )^3 where A(x) = Sum_{n>=0} a(n)*x^n/sf(n), and sf(n) = Product_{k=0..n} k! is the superfactorial of n (A000178).

n	a(n)
0	1
1	3
2	9
3	51
4	795
5	43923
6	10372323
7	11996843043
8	75315947454723
9	2788806652875290883
10	654625444656522114316803
11	1045012738906587147509753740803
12	12046169853230117709495421609499289603
13	1053916215003128938522329980606467994425804803

[1, 3, 9, 51, 795, 43923, 10372323, 11996843043, 75315947454723, 2788806652875290883, 654625444656522114316803, 1045012738906587147509753740803, 12046169853230117709495421609499289603, 1053916215003128938522329980606467994425804803]

cp's OEIS Frontend

A193521 G.f.: A(x) = ( Sum_{n>=0} x^n/sf(n) )^3 where A(x) = Sum_{n>=0} a(n)*x^n/sf(n), and sf(n) = Product_{k=0..n} k! is the superfactorial of n (A000178).

Table of values

List of values