A263521 - cp's OEIS frontend

A263521 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.

n	a(n)
1	23
2	208
3	2076
4	18369
5	158109
6	1317780
7	10791350
8	87194833
9	698250904
10	5555688785
11	44005119429
12	347432212188
13	2736799922735
14	21523189213085
15	169068961542156
16	1326964403390558
17	10408686351322363
18	81610767953922967
19	639685545725575292

[23, 208, 2076, 18369, 158109, 1317780, 10791350, 87194833, 698250904, 5555688785, 44005119429, 347432212188, 2736799922735, 21523189213085, 169068961542156, 1326964403390558, 10408686351322363, 81610767953922967, 639685545725575292]

cp's OEIS Frontend

A263521 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.

Table of values

List of values