A382496 - cp's OEIS frontend

A382496 a(n) = Sum_{k=0..floor(n/3)} (k+1) * binomial(2k,2n-6*k).

n	a(n)
0	1
1	0
2	0
3	2
4	2
5	0
6	3
7	18
8	3
9	4
10	60
11	60
12	9
13	140
14	350
15	146
16	275
17	1260
18	1267
19	732
20	3471
21	6476
22	4193
23	8470
24	24040
25	25104
26	24388
27	72810
28	117368
29	102672
30	202031
31	440750
32	490884
33	612012
34	1419042
35	2121626
36	2281049
37	4267188
38	7951185
39	9511604
40	13402924
41	26600984
42	38465043
43	47376620

[1, 0, 0, 2, 2, 0, 3, 18, 3, 4, 60, 60, 9, 140, 350, 146, 275, 1260, 1267, 732, 3471, 6476, 4193, 8470, 24040, 25104, 24388, 72810, 117368, 102672, 202031, 440750, 490884, 612012, 1419042, 2121626, 2281049, 4267188, 7951185, 9511604, 13402924, 26600984, 38465043, 47376620]

cp's OEIS Frontend

A382496 a(n) = Sum_{k=0..floor(n/3)} (k+1) * binomial(2k,2n-6*k).

Table of values

List of values

cp's OEIS Frontend

A382496 a(n) = Sum_{k=0..floor(n/3)} (k+1) * binomial(2*k,2*n-6*k).

Table of values

List of values

A382496 a(n) = Sum_{k=0..floor(n/3)} (k+1) * binomial(2k,2n-6*k).