A251731 - cp's OEIS frontend

A251731 Least k such that k^3 + q is divisible by 3^n where q is the n-th number congruent to 1 or -1 (mod 18).

n	a(n)
1	2
2	1
3	2
4	16
5	32
6	145
7	62
8	1363
9	3458
10	19492
11	58928
12	89308
13	70028
14	1594318
15	1890551
16	189871
17	31401806
18	47918575
19	190704887
20	163454602
21	502048577
22	9481323661
23	11627845304
24	34656488290
25	115450061084
26	286130228125
27	2303721331049
28	1569269836240
29	22013516320412

[2, 1, 2, 16, 32, 145, 62, 1363, 3458, 19492, 58928, 89308, 70028, 1594318, 1890551, 189871, 31401806, 47918575, 190704887, 163454602, 502048577, 9481323661, 11627845304, 34656488290, 115450061084, 286130228125, 2303721331049, 1569269836240, 22013516320412]

cp's OEIS Frontend

A251731 Least k such that k^3 + q is divisible by 3^n where q is the n-th number congruent to 1 or -1 (mod 18).

Table of values

List of values