A218439 - cp's OEIS frontend

A218439 a(n) = A001609(n)^2, where g.f. of A001609 is x(1+3x^2)/(1-x-x^3).

n	a(n)
1	1
2	1
3	16
4	25
5	36
6	100
7	225
8	441
9	961
10	2116
11	4489
12	9604
13	20736
14	44521
15	95481
16	205209
17	440896
18	946729
19	2033476
20	4368100
21	9381969
22	20151121
23	43283241
24	92968164
25	199685161
26	428904100
27	921243904
28	1978737289
29	4250127249
30	9128847025
31	19607840784
32	42115658841

[1, 1, 16, 25, 36, 100, 225, 441, 961, 2116, 4489, 9604, 20736, 44521, 95481, 205209, 440896, 946729, 2033476, 4368100, 9381969, 20151121, 43283241, 92968164, 199685161, 428904100, 921243904, 1978737289, 4250127249, 9128847025, 19607840784, 42115658841]

cp's OEIS Frontend

A218439 a(n) = A001609(n)^2, where g.f. of A001609 is x(1+3x^2)/(1-x-x^3).

Table of values

List of values

cp's OEIS Frontend

A218439 a(n) = A001609(n)^2, where g.f. of A001609 is x*(1+3*x^2)/(1-x-x^3).

Table of values

List of values

A218439 a(n) = A001609(n)^2, where g.f. of A001609 is x(1+3x^2)/(1-x-x^3).