A250392 - cp's OEIS frontend

A250392 Number of length 6+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.

n	a(n)
1	6
2	966
3	26578
4	309452
5	2160160
6	10755158
7	42158796
8	138336744
9	395723154
10	1015071750
11	2382851790
12	5197343476
13	10655843900
14	20723014006
15	38504379320
16	68753342352
17	118544772606
18	198153311046
19	322179959658
20	510976323420

[6, 966, 26578, 309452, 2160160, 10755158, 42158796, 138336744, 395723154, 1015071750, 2382851790, 5197343476, 10655843900, 20723014006, 38504379320, 68753342352, 118544772606, 198153311046, 322179959658, 510976323420]

cp's OEIS Frontend

A250392 Number of length 6+3 0..n arrays with no four consecutive terms having the maximum of any two terms equal to the minimum of the remaining two terms.

Table of values

List of values