A333515 - cp's OEIS frontend

A333515 Number of self-avoiding closed paths on an n X 5 grid which pass through four corners ((0,0), (0,4), (n-1,4), (n-1,0)).

n	a(n)
2	1
3	7
4	49
5	373
6	3105
7	26515
8	227441
9	1953099
10	16782957
11	144262743
12	1240194297
13	10662034451
14	91663230249
15	788046822891
16	6775004473757
17	58246174168047
18	500755017859261
19	4305100014182879
20	37011883913816129
21	318199242452585915
22	2735628331213604009
23	23518793814422304163

[1, 7, 49, 373, 3105, 26515, 227441, 1953099, 16782957, 144262743, 1240194297, 10662034451, 91663230249, 788046822891, 6775004473757, 58246174168047, 500755017859261, 4305100014182879, 37011883913816129, 318199242452585915, 2735628331213604009, 23518793814422304163]

cp's OEIS Frontend

A333515 Number of self-avoiding closed paths on an n X 5 grid which pass through four corners ((0,0), (0,4), (n-1,4), (n-1,0)).

Table of values

List of values