A208616 - cp's OEIS frontend

A208616 Number of Young tableaux with 3 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

n	a(n)
0	1
1	1
2	10
3	53
4	491
5	6091
6	87781
7	1386529
8	23374495
9	414325055
10	7646034683
11	145862292213
12	2861143072425
13	57468095412921
14	1178095930854841
15	24584089994286121
16	521086299342539671
17	11198784502153759831
18	243661974373753909051
19	5360563436205104422681

[1, 1, 10, 53, 491, 6091, 87781, 1386529, 23374495, 414325055, 7646034683, 145862292213, 2861143072425, 57468095412921, 1178095930854841, 24584089994286121, 521086299342539671, 11198784502153759831, 243661974373753909051, 5360563436205104422681]

cp's OEIS Frontend

A208616 Number of Young tableaux with 3 n-length rows, increasing entries down the columns and monotonic entries along the rows (first row increasing).

Table of values

List of values