A166830 - cp's OEIS frontend

A166830 Number of n X 3 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order.

n	a(n)
1	2
2	8
3	18
4	33
5	54
6	82
7	118
8	163
9	218
10	284
11	362
12	453
13	558
14	678
15	814
16	967
17	1138
18	1328
19	1538
20	1769
21	2022
22	2298
23	2598
24	2923
25	3274
26	3652
27	4058
28	4493
29	4958
30	5454
31	5982
32	6543
33	7138
34	7768
35	8434
36	9137
37	9878
38	10658
39	11478
40	12339
41	13242

[2, 8, 18, 33, 54, 82, 118, 163, 218, 284, 362, 453, 558, 678, 814, 967, 1138, 1328, 1538, 1769, 2022, 2298, 2598, 2923, 3274, 3652, 4058, 4493, 4958, 5454, 5982, 6543, 7138, 7768, 8434, 9137, 9878, 10658, 11478, 12339, 13242]

cp's OEIS Frontend

A166830 Number of n X 3 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order.

Table of values

List of values