A071738 - cp's OEIS frontend

A071738 Expansion of (1+x^3C^4)C, where C = (1-(1-4x)^(1/2))/(2x) is g.f. for Catalan numbers, A000108.

n	a(n)
0	1
1	1
2	2
3	6
4	19
5	62
6	207
7	704
8	2431
9	8502
10	30056
11	107236
12	385662
13	1396652
14	5088865
15	18642420
16	68624295
17	253706790
18	941630580
19	3507232740
20	13105289370
21	49114150020
22	184560753390
23	695267483664
24	2625197720454
25	9933364416572

[1, 1, 2, 6, 19, 62, 207, 704, 2431, 8502, 30056, 107236, 385662, 1396652, 5088865, 18642420, 68624295, 253706790, 941630580, 3507232740, 13105289370, 49114150020, 184560753390, 695267483664, 2625197720454, 9933364416572]

cp's OEIS Frontend

A071738 Expansion of (1+x^3C^4)C, where C = (1-(1-4x)^(1/2))/(2x) is g.f. for Catalan numbers, A000108.

Table of values

List of values

cp's OEIS Frontend

A071738 Expansion of (1+x^3*C^4)*C, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.

Table of values

List of values

A071738 Expansion of (1+x^3C^4)C, where C = (1-(1-4x)^(1/2))/(2x) is g.f. for Catalan numbers, A000108.