A212767 - cp's OEIS frontend

A212767 Number of (w,x,y,z) with all terms in {0,...,n}, w even, x even, and w+x=y+z.

n	a(n)
0	1
1	1
2	8
3	10
4	29
5	35
6	72
7	84
8	145
9	165
10	256
11	286
12	413
13	455
14	624
15	680
16	897
17	969
18	1240
19	1330
20	1661
21	1771
22	2168
23	2300
24	2769
25	2925
26	3472
27	3654
28	4285
29	4495
30	5216
31	5456
32	6273
33	6545
34	7464
35	7770
36	8797
37	9139
38	10280
39	10660
40	11921
41	12341
42	13728
43	14190

[1, 1, 8, 10, 29, 35, 72, 84, 145, 165, 256, 286, 413, 455, 624, 680, 897, 969, 1240, 1330, 1661, 1771, 2168, 2300, 2769, 2925, 3472, 3654, 4285, 4495, 5216, 5456, 6273, 6545, 7464, 7770, 8797, 9139, 10280, 10660, 11921, 12341, 13728, 14190]

cp's OEIS Frontend

A212767 Number of (w,x,y,z) with all terms in {0,...,n}, w even, x even, and w+x=y+z.

Table of values

List of values