A242630 - cp's OEIS frontend

A242630 Number of n-length words w over a 7-ary alphabet {a_1,...,a_7} such that w contains never more than j consecutive letters a_j (for 1<=j<=7).

n	a(n)
0	1
1	7
2	48
3	329
4	2254
5	15443
6	105804
7	724892
8	4966431
9	34026362
10	233123809
11	1597194268
12	10942809918
13	74972150416
14	513654479985
15	3519185768909
16	24110893526041
17	165190252745398
18	1131763100053353
19	7754015102916294
20	53124854674462893
21	363972747889200054

[1, 7, 48, 329, 2254, 15443, 105804, 724892, 4966431, 34026362, 233123809, 1597194268, 10942809918, 74972150416, 513654479985, 3519185768909, 24110893526041, 165190252745398, 1131763100053353, 7754015102916294, 53124854674462893, 363972747889200054]

cp's OEIS Frontend

A242630 Number of n-length words w over a 7-ary alphabet {a_1,...,a_7} such that w contains never more than j consecutive letters a_j (for 1<=j<=7).

Table of values

List of values