A211629 - cp's OEIS frontend

A211629 Number of ordered triples (w,x,y) with all terms in {-n, ..., -1, 1, ..., n} and 4w + x + y > 0.

n	a(n)
0	0
1	4
2	31
3	105
4	252
5	492
6	851
7	1353
8	2024
9	2884
10	3959
11	5273
12	6852
13	8716
14	10891
15	13401
16	16272
17	19524
18	23183
19	27273
20	31820
21	36844
22	42371
23	48425
24	55032
25	62212
26	69991
27	78393
28	87444
29	97164
30	107579
31	118713
32	130592
33	143236
34	156671
35	170921
36	186012
37	201964
38	218803

[0, 4, 31, 105, 252, 492, 851, 1353, 2024, 2884, 3959, 5273, 6852, 8716, 10891, 13401, 16272, 19524, 23183, 27273, 31820, 36844, 42371, 48425, 55032, 62212, 69991, 78393, 87444, 97164, 107579, 118713, 130592, 143236, 156671, 170921, 186012, 201964, 218803]

cp's OEIS Frontend

A211629 Number of ordered triples (w,x,y) with all terms in {-n, ..., -1, 1, ..., n} and 4w + x + y > 0.

Table of values

List of values