A025056 - cp's OEIS frontend

A025056 a(n) = position of 3n^2 in sequence A025051 (numbers of form jk + ki + ij, without repetitions, where 1 <= i <= j <= k).

n	a(n)
1	1
2	7
3	20
4	39
5	64
6	95
7	133
8	177
9	227
10	284
11	346
12	415
13	489
14	570
15	657
16	750
17	849
18	954
19	1065
20	1182
21	1305
22	1434
23	1569
24	1710
25	1857
26	2010
27	2169
28	2334
29	2505
30	2682
31	2865
32	3054
33	3249
34	3450
35	3657
36	3870
37	4089
38	4314
39	4545
40	4782
41	5025
42	5274
43	5529
44	5790
45	6057
46	6330
47	6609
48	6894

[1, 7, 20, 39, 64, 95, 133, 177, 227, 284, 346, 415, 489, 570, 657, 750, 849, 954, 1065, 1182, 1305, 1434, 1569, 1710, 1857, 2010, 2169, 2334, 2505, 2682, 2865, 3054, 3249, 3450, 3657, 3870, 4089, 4314, 4545, 4782, 5025, 5274, 5529, 5790, 6057, 6330, 6609, 6894]

cp's OEIS Frontend

A025056 a(n) = position of 3n^2 in sequence A025051 (numbers of form jk + ki + ij, without repetitions, where 1 <= i <= j <= k).

Table of values

List of values

cp's OEIS Frontend

A025056 a(n) = position of 3*n^2 in sequence A025051 (numbers of form j*k + k*i + i*j, without repetitions, where 1 <= i <= j <= k).

Table of values

List of values

A025056 a(n) = position of 3n^2 in sequence A025051 (numbers of form jk + ki + ij, without repetitions, where 1 <= i <= j <= k).