A113113 - cp's OEIS frontend

A113113 Number of 5-tournament sequences: a(n) gives the number of increasing sequences of n positive integers (t_1,t_2,...,t_n) such that t_1 = 4 and t_i = 4 (mod 4) and t_{i+1} <= 5*t_i for 1

n	a(n)
0	1
1	4
2	56
3	2704
4	481376
5	337587520
6	978162377600
7	12088945462984960
8	651451173346940188160
9	155573037664478034394215424
10	166729581953452524706695313356800

[1, 4, 56, 2704, 481376, 337587520, 978162377600, 12088945462984960, 651451173346940188160, 155573037664478034394215424, 166729581953452524706695313356800]

cp's OEIS Frontend

A113113 Number of 5-tournament sequences: a(n) gives the number of increasing sequences of n positive integers (t_1,t_2,...,t_n) such that t_1 = 4 and t_i = 4 (mod 4) and t_{i+1} <= 5*t_i for 1

Table of values

List of values