A212760 - cp's OEIS frontend

A212760 Number of (w,x,y,z) with all terms in {0,...,n}, w even, and x = y + z.

n	a(n)
0	1
1	3
2	12
3	20
4	45
5	63
6	112
7	144
8	225
9	275
10	396
11	468
12	637
13	735
14	960
15	1088
16	1377
17	1539
18	1900
19	2100
20	2541
21	2783
22	3312
23	3600
24	4225
25	4563
26	5292
27	5684
28	6525
29	6975
30	7936
31	8448
32	9537
33	10115
34	11340
35	11988
36	13357
37	14079
38	15600
39	16400
40	18081
41	18963
42	20812
43	21780
44	23805

[1, 3, 12, 20, 45, 63, 112, 144, 225, 275, 396, 468, 637, 735, 960, 1088, 1377, 1539, 1900, 2100, 2541, 2783, 3312, 3600, 4225, 4563, 5292, 5684, 6525, 6975, 7936, 8448, 9537, 10115, 11340, 11988, 13357, 14079, 15600, 16400, 18081, 18963, 20812, 21780, 23805]

cp's OEIS Frontend

A212760 Number of (w,x,y,z) with all terms in {0,...,n}, w even, and x = y + z.

Table of values

List of values