A228647 - cp's OEIS frontend

A228647 a(n) = A001609(n^2) for n>=1, where g.f. of A001609 is x(1+3x^2)/(1-x-x^3).

n	a(n)
1	1
2	5
3	31
4	453
5	14131
6	946781
7	136250983
8	42115660581
9	27961563559891
10	39874307297033165
11	122134599693975367423
12	803522677430288749340325
13	11354589189995520431547851761
14	344634362031276605039944979868611
15	22467750416780812361715214948922598721
16	3146114090698891414621617889648190060326821

[1, 5, 31, 453, 14131, 946781, 136250983, 42115660581, 27961563559891, 39874307297033165, 122134599693975367423, 803522677430288749340325, 11354589189995520431547851761, 344634362031276605039944979868611, 22467750416780812361715214948922598721, 3146114090698891414621617889648190060326821]

cp's OEIS Frontend

A228647 a(n) = A001609(n^2) for n>=1, where g.f. of A001609 is x(1+3x^2)/(1-x-x^3).

Table of values

List of values

cp's OEIS Frontend

A228647 a(n) = A001609(n^2) for n>=1, where g.f. of A001609 is x*(1+3*x^2)/(1-x-x^3).

Table of values

List of values

A228647 a(n) = A001609(n^2) for n>=1, where g.f. of A001609 is x(1+3x^2)/(1-x-x^3).