A213487 - cp's OEIS frontend

A213487 Number of (w,x,y) with all terms in {0,...,n} and |w-x|+|x-y|+|y-w| <= w+x+y.

n	a(n)
0	1
1	5
2	15
3	37
4	77
5	138
6	223
7	338
8	489
9	679
10	911
11	1191
12	1525
13	1916
14	2367
15	2884
16	3473
17	4137
18	4879
19	5705
20	6621
21	7630
22	8735
23	9942
24	11257
25	12683
26	14223
27	15883
28	17669
29	19584
30	21631
31	23816
32	26145
33	28621
34	31247
35	34029
36	36973
37	40082
38	43359
39	46810

[1, 5, 15, 37, 77, 138, 223, 338, 489, 679, 911, 1191, 1525, 1916, 2367, 2884, 3473, 4137, 4879, 5705, 6621, 7630, 8735, 9942, 11257, 12683, 14223, 15883, 17669, 19584, 21631, 23816, 26145, 28621, 31247, 34029, 36973, 40082, 43359, 46810]

cp's OEIS Frontend

A213487 Number of (w,x,y) with all terms in {0,...,n} and |w-x|+|x-y|+|y-w| <= w+x+y.

Table of values

List of values