A268326 - cp's OEIS frontend

A268326 Number of length-(n+1) 0..7 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	1829
8	8376
9	41466
10	220115
11	1242614
12	7395663
13	45999012
14	296480813
15	1965371333
16	13314182333
17	91697130971
18	639451012407
19	4501167824269
20	31908164747227
21	227399949031725
22	1627202389749190
23	11680282747792917

[2, 4, 11, 33, 114, 435, 1829, 8376, 41466, 220115, 1242614, 7395663, 45999012, 296480813, 1965371333, 13314182333, 91697130971, 639451012407, 4501167824269, 31908164747227, 227399949031725, 1627202389749190, 11680282747792917]

cp's OEIS Frontend

A268326 Number of length-(n+1) 0..7 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