A264132 - cp's OEIS frontend

A264132 Number of (1+1)X(n+1) arrays of permutations of 0..n*2+1 with each element having index change +-(.,.) 0,0 0,2 or 1,2.

n	a(n)
1	1
2	5
3	25
4	80
5	256
6	976
7	3721
8	13725
9	50625
10	189225
11	707281
12	2637376
13	9834496
14	36706880
15	137007025
16	511286105
17	1908029761
18	7120920301
19	26575846441
20	99181976400
21	370150560000
22	1381421480400
23	5155538077561
24	19240724018101

[1, 5, 25, 80, 256, 976, 3721, 13725, 50625, 189225, 707281, 2637376, 9834496, 36706880, 137007025, 511286105, 1908029761, 7120920301, 26575846441, 99181976400, 370150560000, 1381421480400, 5155538077561, 19240724018101]

cp's OEIS Frontend

A264132 Number of (1+1)X(n+1) arrays of permutations of 0..n*2+1 with each element having index change +-(.,.) 0,0 0,2 or 1,2.

Table of values

List of values