A082019 - cp's OEIS frontend

A082019 Diagonal of square array T(n,k) with T(1,1) = 1 where antidiagonals are filled alternating upwards and downwards with the smallest number not already used such that the n-th antidiagonal sum is a multiple of n.

n	a(n)
1	1
2	5
3	12
4	25
5	41
6	60
7	85
8	112
9	145
10	180
11	221
12	264
13	313
14	365
15	420
16	481
17	544
18	613
19	684
20	761
21	840
22	925
23	1012
24	1105
25	1200
26	1301
27	1404
28	1513
29	1624
30	1741
31	1860
32	1985
33	2112
34	2245
35	2380
36	2521
37	2664
38	2813
39	2964
40	3121
41	3281
42	3444
43	3613
44	3784
45	3961
46	4140
47	4325
48	4512

[1, 5, 12, 25, 41, 60, 85, 112, 145, 180, 221, 264, 313, 365, 420, 481, 544, 613, 684, 761, 840, 925, 1012, 1105, 1200, 1301, 1404, 1513, 1624, 1741, 1860, 1985, 2112, 2245, 2380, 2521, 2664, 2813, 2964, 3121, 3281, 3444, 3613, 3784, 3961, 4140, 4325, 4512]

cp's OEIS Frontend

A082019 Diagonal of square array T(n,k) with T(1,1) = 1 where antidiagonals are filled alternating upwards and downwards with the smallest number not already used such that the n-th antidiagonal sum is a multiple of n.

Table of values

List of values