A242537 - cp's OEIS frontend

A242537 Number of n-length words on {1,2,3,4,5} such that the maximal runs of identical odd integers are of odd length and the maximal runs of identical even integers are of even length.

n	a(n)
0	1
1	3
2	8
3	27
4	82
5	255
6	794
7	2463
8	7654
9	23775
10	73850
11	229407
12	712606
13	2213583
14	6876098
15	21359343
16	66348934
17	206100927
18	640215146
19	1988712255
20	6177573934
21	19189513071
22	59608742162
23	185163746895
24	575177598550
25	1786684895967
26	5550012597050
27	17240107585311
28	53553267556606
29	166353513271311
30	516747019188962

[1, 3, 8, 27, 82, 255, 794, 2463, 7654, 23775, 73850, 229407, 712606, 2213583, 6876098, 21359343, 66348934, 206100927, 640215146, 1988712255, 6177573934, 19189513071, 59608742162, 185163746895, 575177598550, 1786684895967, 5550012597050, 17240107585311, 53553267556606, 166353513271311, 516747019188962]

cp's OEIS Frontend

A242537 Number of n-length words on {1,2,3,4,5} such that the maximal runs of identical odd integers are of odd length and the maximal runs of identical even integers are of even length.

Table of values

List of values