A212250 - cp's OEIS frontend

A212250 Number of (w,x,y,z) with all terms in {1,...,n} and 3w>=x+y+z+n.

n	a(n)
0	0
1	0
2	4
3	18
4	54
5	129
6	262
7	478
8	807
9	1281
10	1938
11	2821
12	3975
13	5451
14	7305
15	9595
16	12385
17	15744
18	19743
19	24459
20	29974
21	36372
22	43743
23	52182
24	61786
25	72658
26	84906
27	98640
28	113976
29	131035
30	149940
31	170820
32	193809
33	219043
34	246664
35	276819
36	309657

[0, 0, 4, 18, 54, 129, 262, 478, 807, 1281, 1938, 2821, 3975, 5451, 7305, 9595, 12385, 15744, 19743, 24459, 29974, 36372, 43743, 52182, 61786, 72658, 84906, 98640, 113976, 131035, 149940, 170820, 193809, 219043, 246664, 276819, 309657]

cp's OEIS Frontend

A212250 Number of (w,x,y,z) with all terms in {1,...,n} and 3w>=x+y+z+n.

Table of values

List of values