A201552 - cp's OEIS frontend

A201552 Square array read by diagonals: T(n,k) = number of arrays of n integers in -k..k with sum equal to 0.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	7
7	1
8	7
9	19
10	19
11	1
12	9
13	37
14	85
15	51
16	1
17	11
18	61
19	231
20	381
21	141
22	1
23	13
24	91
25	489
26	1451
27	1751
28	393
29	1
30	15
31	127
32	891
33	3951
34	9331
35	8135
36	1107
37	1
38	17
39	169
40	1469
41	8801
42	32661
43	60691
44	38165
45	3139
46	1
47	19
48	217
49	2255
50	17151
51	88913
52	273127
53	398567
54	180325
55	8953
56	1

[1, 1, 3, 1, 5, 7, 1, 7, 19, 19, 1, 9, 37, 85, 51, 1, 11, 61, 231, 381, 141, 1, 13, 91, 489, 1451, 1751, 393, 1, 15, 127, 891, 3951, 9331, 8135, 1107, 1, 17, 169, 1469, 8801, 32661, 60691, 38165, 3139, 1, 19, 217, 2255, 17151, 88913, 273127, 398567, 180325, 8953, 1]

cp's OEIS Frontend

A201552 Square array read by diagonals: T(n,k) = number of arrays of n integers in -k..k with sum equal to 0.

Table of values

List of values