A385719 - cp's OEIS frontend

A385719 Expansion of B(x)/sqrt(1 + 2*(B(x)-1)/3), where B(x) is the g.f. of A004355.

n	a(n)
0	1
1	4
2	38
3	428
4	5204
5	66104
6	863840
7	11515308
8	155779966
9	2131436392
10	29426804398
11	409254436452
12	5726378247412
13	80535621269208
14	1137609359823936
15	16130112288879248
16	229462608491483364
17	3273749607191060480
18	46826932120849617128
19	671341041479214814160
20	9644654058165119642624

[1, 4, 38, 428, 5204, 66104, 863840, 11515308, 155779966, 2131436392, 29426804398, 409254436452, 5726378247412, 80535621269208, 1137609359823936, 16130112288879248, 229462608491483364, 3273749607191060480, 46826932120849617128, 671341041479214814160, 9644654058165119642624]

cp's OEIS Frontend

A385719 Expansion of B(x)/sqrt(1 + 2*(B(x)-1)/3), where B(x) is the g.f. of A004355.

Table of values

List of values