A268325 - cp's OEIS frontend

A268325 Number of length-(n+1) 0..6 arrays with new values introduced in sequential order, and with new repeated values introduced in sequential order, both starting with zero.

n	a(n)
1	2
2	4
3	11
4	33
5	114
6	435
7	1828
8	8347
9	40967
10	213476
11	1167038
12	6620563
13	38616800
14	229908144
15	1389394409
16	8488437842
17	52275301038
18	323844494931
19	2015202856151
20	12583558074610
21	78792289312786
22	494476637793884
23	3109144620092506

[2, 4, 11, 33, 114, 435, 1828, 8347, 40967, 213476, 1167038, 6620563, 38616800, 229908144, 1389394409, 8488437842, 52275301038, 323844494931, 2015202856151, 12583558074610, 78792289312786, 494476637793884, 3109144620092506]

cp's OEIS Frontend

A268325 Number of length-(n+1) 0..6 arrays with new values introduced in sequential order, and with new repeated values introduced in sequential order, both starting with zero.

Table of values

List of values