A062105 - cp's OEIS frontend

A062105 Square array read by antidiagonals: number of ways a pawn-like piece (with the initial 2-step move forbidden and starting from any square on the back rank) can end at various squares on an infinite chessboard.

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	5
6	1
7	3
8	8
9	13
10	1
11	3
12	9
13	22
14	35
15	1
16	3
17	9
18	26
19	61
20	96
21	1
22	3
23	9
24	27
25	75
26	171
27	267
28	1
29	3
30	9
31	27
32	80
33	216
34	483
35	750
36	1
37	3
38	9
39	27
40	81
41	236
42	623
43	1373
44	2123
45	1
46	3
47	9
48	27
49	81
50	242
51	694
52	1800
53	3923
54	6046
55	1
56	3
57	9
58	27
59	81
60	243
61	721
62	2038
63	5211
64	11257
65	17303
66	1
67	3
68	9
69	27

[1, 1, 2, 1, 3, 5, 1, 3, 8, 13, 1, 3, 9, 22, 35, 1, 3, 9, 26, 61, 96, 1, 3, 9, 27, 75, 171, 267, 1, 3, 9, 27, 80, 216, 483, 750, 1, 3, 9, 27, 81, 236, 623, 1373, 2123, 1, 3, 9, 27, 81, 242, 694, 1800, 3923, 6046, 1, 3, 9, 27, 81, 243, 721, 2038, 5211, 11257, 17303, 1, 3, 9, 27]

cp's OEIS Frontend

A062105 Square array read by antidiagonals: number of ways a pawn-like piece (with the initial 2-step move forbidden and starting from any square on the back rank) can end at various squares on an infinite chessboard.

Table of values

List of values