A124890 - cp's OEIS frontend

A124890 G.f.: A(x) = (1/x)series_reversion(x^2/G124344(x)), where G124344(x) is the g.f. of A124344 and satisfies: A(x)^2 = (1/x)G124344(x*A(x)).

n	a(n)
0	1
1	1
2	3
3	11
4	47
5	216
6	1047
7	5263
8	27191
9	143484
10	770047
11	4190031
12	23062044
13	128170182
14	718257014
15	4054089110
16	23026890216
17	131517480529
18	754865316100
19	4351785130675
20	25187530716367
21	146305151254984
22	852604651815745

[1, 1, 3, 11, 47, 216, 1047, 5263, 27191, 143484, 770047, 4190031, 23062044, 128170182, 718257014, 4054089110, 23026890216, 131517480529, 754865316100, 4351785130675, 25187530716367, 146305151254984, 852604651815745]

cp's OEIS Frontend

A124890 G.f.: A(x) = (1/x)series_reversion(x^2/G124344(x)), where G124344(x) is the g.f. of A124344 and satisfies: A(x)^2 = (1/x)G124344(x*A(x)).

Table of values

List of values

cp's OEIS Frontend

A124890 G.f.: A(x) = (1/x)*series_reversion(x^2/G124344(x)), where G124344(x) is the g.f. of A124344 and satisfies: A(x)^2 = (1/x)*G124344(x*A(x)).

Table of values

List of values

A124890 G.f.: A(x) = (1/x)series_reversion(x^2/G124344(x)), where G124344(x) is the g.f. of A124344 and satisfies: A(x)^2 = (1/x)G124344(x*A(x)).