A005718 - cp's OEIS frontend

A005718 Quadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n).

n	a(n)
0	3
1	12
2	31
3	65
4	120
5	203
6	322
7	486
8	705
9	990
10	1353
11	1807
12	2366
13	3045
14	3860
15	4828
16	5967
17	7296
18	8835
19	10605
20	12628
21	14927
22	17526
23	20450
24	23725
25	27378
26	31437
27	35931
28	40890
29	46345
30	52328
31	58872
32	66011
33	73780
34	82215
35	91353
36	101232
37	111891
38	123370
39	135710
40	148953
41	163142
42	178321
43	194535

[3, 12, 31, 65, 120, 203, 322, 486, 705, 990, 1353, 1807, 2366, 3045, 3860, 4828, 5967, 7296, 8835, 10605, 12628, 14927, 17526, 20450, 23725, 27378, 31437, 35931, 40890, 46345, 52328, 58872, 66011, 73780, 82215, 91353, 101232, 111891, 123370, 135710, 148953, 163142, 178321, 194535]

cp's OEIS Frontend

A005718 Quadrinomial coefficients: C(2+n,n) + C(3+n,n) + C(4+n,n).

Table of values

List of values