A360232 - cp's OEIS frontend

A360232 G.f. Sum_{n>=0} a(n)x^n = Sum_{n>=0} (1 + nx + x^2)^n * x^n.

n	a(n)
0	1
1	1
2	2
3	6
4	16
5	51
6	172
7	626
8	2409
9	9791
10	41671
11	185224
12	855865
13	4100761
14	20314349
15	103827684
16	546388333
17	2955518901
18	16407286272
19	93350267922
20	543674327227
21	3237568471183
22	19693508812475
23	122249256779882
24	773797772369256
25	4990290667614087
26	32766888950422831

[1, 1, 2, 6, 16, 51, 172, 626, 2409, 9791, 41671, 185224, 855865, 4100761, 20314349, 103827684, 546388333, 2955518901, 16407286272, 93350267922, 543674327227, 3237568471183, 19693508812475, 122249256779882, 773797772369256, 4990290667614087, 32766888950422831]

cp's OEIS Frontend

A360232 G.f. Sum_{n>=0} a(n)x^n = Sum_{n>=0} (1 + nx + x^2)^n * x^n.

Table of values

List of values

cp's OEIS Frontend

A360232 G.f. Sum_{n>=0} a(n)*x^n = Sum_{n>=0} (1 + n*x + x^2)^n * x^n.

Table of values

List of values

A360232 G.f. Sum_{n>=0} a(n)x^n = Sum_{n>=0} (1 + nx + x^2)^n * x^n.