A113098 - cp's OEIS frontend

A113098 Number of 4-tournament sequences: a(n) gives the number of increasing sequences of n positive integers (t_1,t_2,...,t_n) such that t_1 = 2 and t_i = 2 (mod 3) and t_{i+1} <= 4*t_i for 1

n	a(n)
0	1
1	2
2	13
3	242
4	13228
5	2241527
6	1237069018
7	2305369985312
8	14874520949557933
9	338242806223319079422
10	27474512329417917714396073
11	8057337874806992183898478061882
12	8607002252619465665736907583406214288

[1, 2, 13, 242, 13228, 2241527, 1237069018, 2305369985312, 14874520949557933, 338242806223319079422, 27474512329417917714396073, 8057337874806992183898478061882, 8607002252619465665736907583406214288]

cp's OEIS Frontend

A113098 Number of 4-tournament sequences: a(n) gives the number of increasing sequences of n positive integers (t_1,t_2,...,t_n) such that t_1 = 2 and t_i = 2 (mod 3) and t_{i+1} <= 4*t_i for 1

Table of values

List of values