A246307 - cp's OEIS frontend

A246307 Numerator of Z^(2)(n), where Z^(2)(n) = n for n=0,1; thereafter Z^(2)(n) = (1/3)Sum_{k=1..n-1} Stirling_2(n,k)Z^(2)(k).

n	a(n)
0	0
1	1
2	1
3	5
4	6
5	399
6	10137
7	364737
8	2206077
9	276269667
10	21732613641
11	2097942773859
12	60958311638283
13	16792338947372883
14	2704712327221326273
15	503673752669173980741
16	6711263837756846638875
17	3248087145389524173611367
18	885435154962504420364992693
19	270090359296255369532260168299

[0, 1, 1, 5, 6, 399, 10137, 364737, 2206077, 276269667, 21732613641, 2097942773859, 60958311638283, 16792338947372883, 2704712327221326273, 503673752669173980741, 6711263837756846638875, 3248087145389524173611367, 885435154962504420364992693, 270090359296255369532260168299]

cp's OEIS Frontend

A246307 Numerator of Z^(2)(n), where Z^(2)(n) = n for n=0,1; thereafter Z^(2)(n) = (1/3)Sum_{k=1..n-1} Stirling_2(n,k)Z^(2)(k).

Table of values

List of values

cp's OEIS Frontend

A246307 Numerator of Z^(2)(n), where Z^(2)(n) = n for n=0,1; thereafter Z^(2)(n) = (1/3)*Sum_{k=1..n-1} Stirling_2(n,k)*Z^(2)(k).

Table of values

List of values

A246307 Numerator of Z^(2)(n), where Z^(2)(n) = n for n=0,1; thereafter Z^(2)(n) = (1/3)Sum_{k=1..n-1} Stirling_2(n,k)Z^(2)(k).