A064856 - cp's OEIS frontend

A064856 Stirling transform of Catalan numbers: a(n) = Sum_{k=0..n} stirling2(n,k)binomial(2k,k)/(k+1).

n	a(n)
0	1
1	1
2	3
3	12
4	59
5	338
6	2185
7	15613
8	121553
9	1020170
10	9154963
11	87276995
12	879242215
13	9319182044
14	103537712361
15	1201967382478
16	14540040004755
17	182840037042560
18	2384985091689409
19	32209645344213417
20	449608555748234353
21	6476887237235672388
22	96156363230696213447

[1, 1, 3, 12, 59, 338, 2185, 15613, 121553, 1020170, 9154963, 87276995, 879242215, 9319182044, 103537712361, 1201967382478, 14540040004755, 182840037042560, 2384985091689409, 32209645344213417, 449608555748234353, 6476887237235672388, 96156363230696213447]

cp's OEIS Frontend

A064856 Stirling transform of Catalan numbers: a(n) = Sum_{k=0..n} stirling2(n,k)binomial(2k,k)/(k+1).

Table of values

List of values

cp's OEIS Frontend

A064856 Stirling transform of Catalan numbers: a(n) = Sum_{k=0..n} stirling2(n,k)*binomial(2*k,k)/(k+1).

Table of values

List of values

A064856 Stirling transform of Catalan numbers: a(n) = Sum_{k=0..n} stirling2(n,k)binomial(2k,k)/(k+1).