A321634 - cp's OEIS frontend

A321634 Number of arrangements of n 1's, n 2's, ..., n n's avoiding equal consecutive terms.

n	a(n)
0	1
1	1
2	2
3	174
4	2265024
5	7946203275000
6	12229789732207993835280
7	12202002913678756821228939869239920
8	10937192762438008527903830198163831816546577931520
9	11655577382287102750765311537460065620507094071664576111302628243840

[1, 1, 2, 174, 2265024, 7946203275000, 12229789732207993835280, 12202002913678756821228939869239920, 10937192762438008527903830198163831816546577931520, 11655577382287102750765311537460065620507094071664576111302628243840]

cp's OEIS Frontend

A321634 Number of arrangements of n 1's, n 2's, ..., n n's avoiding equal consecutive terms.

Table of values

List of values