A382494 - cp's OEIS frontend

A382494 a(n) = Sum_{k=0..floor(n/2)} binomial(k+2,2) * binomial(2k,2n-4*k).

n	a(n)
0	1
1	0
2	3
3	3
4	6
5	36
6	16
7	150
8	165
9	430
10	1071
11	1365
12	4453
13	6258
14	14841
15	29169
16	49941
17	115356
18	190091
19	404811
20	750792
21	1393956
22	2808438
23	4988268
24	9905746
25	18207126
26	34231566
27	65278964
28	119255889
29	227648406
30	418394087
31	782045001
32	1457704212
33	2681909302

[1, 0, 3, 3, 6, 36, 16, 150, 165, 430, 1071, 1365, 4453, 6258, 14841, 29169, 49941, 115356, 190091, 404811, 750792, 1393956, 2808438, 4988268, 9905746, 18207126, 34231566, 65278964, 119255889, 227648406, 418394087, 782045001, 1457704212, 2681909302]

cp's OEIS Frontend

A382494 a(n) = Sum_{k=0..floor(n/2)} binomial(k+2,2) * binomial(2k,2n-4*k).

Table of values

List of values

cp's OEIS Frontend

A382494 a(n) = Sum_{k=0..floor(n/2)} binomial(k+2,2) * binomial(2*k,2*n-4*k).

Table of values

List of values

A382494 a(n) = Sum_{k=0..floor(n/2)} binomial(k+2,2) * binomial(2k,2n-4*k).