A376162 - cp's OEIS frontend

A376162 Number of ordered partitions of S={(i,j):1 <= i , j <= n} where for every i and j the pairs (i+1,j) and (i,j+1) are in a later part than the part containing the pair (i,j), and the pairs (i,j), (j,i) are in the same part.

n	a(n)
1	1
2	1
3	3
4	39
5	2905
6	1538369
7	6904262355
8	304662492057063
9	150347237334006997801
10	929721796071361437087789041
11	79773595676787229793797978773561927
12	104165556509336140832819242491033872033130063
13	2252283824141388832759484222915451435885285752729087857

[1, 1, 3, 39, 2905, 1538369, 6904262355, 304662492057063, 150347237334006997801, 929721796071361437087789041, 79773595676787229793797978773561927, 104165556509336140832819242491033872033130063, 2252283824141388832759484222915451435885285752729087857]

cp's OEIS Frontend

A376162 Number of ordered partitions of S={(i,j):1 <= i , j <= n} where for every i and j the pairs (i+1,j) and (i,j+1) are in a later part than the part containing the pair (i,j), and the pairs (i,j), (j,i) are in the same part.

Table of values

List of values