A384686 - cp's OEIS frontend

A384686 a(n) = 2^(n-4)(5binomial(n,5) + 6*binomial(n,4)).

n	a(n)
0	0
1	0
2	0
3	0
4	6
5	70
6	480
7	2520
8	11200
9	44352
10	161280
11	549120
12	1774080
13	5491200
14	16400384
15	47523840
16	134184960
17	370442240
18	1002700800
19	2667184128
20	6985482240
21	18042716160
22	46022000640
23	116064256000
24	289696382976
25	716282265600
26	1755735654400
27	4269382041600
28	10305404928000

[0, 0, 0, 0, 6, 70, 480, 2520, 11200, 44352, 161280, 549120, 1774080, 5491200, 16400384, 47523840, 134184960, 370442240, 1002700800, 2667184128, 6985482240, 18042716160, 46022000640, 116064256000, 289696382976, 716282265600, 1755735654400, 4269382041600, 10305404928000]

cp's OEIS Frontend

A384686 a(n) = 2^(n-4)(5binomial(n,5) + 6*binomial(n,4)).

Table of values

List of values

cp's OEIS Frontend

A384686 a(n) = 2^(n-4)*(5*binomial(n,5) + 6*binomial(n,4)).

Table of values

List of values

A384686 a(n) = 2^(n-4)(5binomial(n,5) + 6*binomial(n,4)).