A274734 - cp's OEIS frontend

A274734 G.f. satisfies A(x) = (1 + xA(x))^2 (1 + x*A(x)^2).

n	a(n)
0	1
1	3
2	15
3	94
4	661
5	4983
6	39363
7	321587
8	2694860
9	23035341
10	200068651
11	1760558682
12	15663027711
13	140648129383
14	1273083938979
15	11603500739475
16	106404140837773
17	980977232554344
18	9087285865886766
19	84541177049414342
20	789545725457924023
21	7399515198155161271
22	69568021610270590583
23	655960254857760518109
24	6201585037793334756198
25	58775103307105512895151

[1, 3, 15, 94, 661, 4983, 39363, 321587, 2694860, 23035341, 200068651, 1760558682, 15663027711, 140648129383, 1273083938979, 11603500739475, 106404140837773, 980977232554344, 9087285865886766, 84541177049414342, 789545725457924023, 7399515198155161271, 69568021610270590583, 655960254857760518109, 6201585037793334756198, 58775103307105512895151]

cp's OEIS Frontend

A274734 G.f. satisfies A(x) = (1 + xA(x))^2 (1 + x*A(x)^2).

Table of values

List of values

cp's OEIS Frontend

A274734 G.f. satisfies A(x) = (1 + x*A(x))^2 * (1 + x*A(x)^2).

Table of values

List of values

A274734 G.f. satisfies A(x) = (1 + xA(x))^2 (1 + x*A(x)^2).