A000431 - cp's OEIS frontend

A000431 Expansion of 2x^3/((1-2x)^2(1-4x)).

n	a(n)
0	0
1	0
2	0
3	2
4	16
5	88
6	416
7	1824
8	7680
9	31616
10	128512
11	518656
12	2084864
13	8361984
14	33497088
15	134094848
16	536608768
17	2146926592
18	8588754944
19	34357248000
20	137433710592
21	549744803840
22	2199000186880
23	8796044787712
24	35184271425536
25	140737278640128
26	562949517213696

[0, 0, 0, 2, 16, 88, 416, 1824, 7680, 31616, 128512, 518656, 2084864, 8361984, 33497088, 134094848, 536608768, 2146926592, 8588754944, 34357248000, 137433710592, 549744803840, 2199000186880, 8796044787712, 35184271425536, 140737278640128, 562949517213696]

cp's OEIS Frontend

A000431 Expansion of 2x^3/((1-2x)^2(1-4x)).

Table of values

List of values

cp's OEIS Frontend

A000431 Expansion of 2*x^3/((1-2*x)^2*(1-4*x)).

Table of values

List of values

A000431 Expansion of 2x^3/((1-2x)^2(1-4x)).