A062104 - cp's OEIS frontend

A062104 Square array read by antidiagonals: number of ways a black pawn (starting at any square on the second rank) can (theoretically) end at various squares on an infinite chessboard.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	3
9	6
10	0
11	1
12	3
13	9
14	15
15	0
16	1
17	3
18	10
19	25
20	40
21	0
22	1
23	3
24	10
25	29
26	69
27	109
28	0
29	1
30	3
31	10
32	30
33	84
34	193
35	302
36	0
37	1
38	3
39	10
40	30
41	89
42	242
43	544
44	846
45	0
46	1
47	3
48	10
49	30
50	90
51	263
52	698
53	1544
54	2390
55	0
56	1
57	3
58	10
59	30
60	90
61	269
62	774
63	2016
64	4406
65	6796
66	0
67	1
68	3
69	10
70	30
71	90
72	270

[0, 0, 1, 0, 1, 2, 0, 1, 3, 6, 0, 1, 3, 9, 15, 0, 1, 3, 10, 25, 40, 0, 1, 3, 10, 29, 69, 109, 0, 1, 3, 10, 30, 84, 193, 302, 0, 1, 3, 10, 30, 89, 242, 544, 846, 0, 1, 3, 10, 30, 90, 263, 698, 1544, 2390, 0, 1, 3, 10, 30, 90, 269, 774, 2016, 4406, 6796, 0, 1, 3, 10, 30, 90, 270]

cp's OEIS Frontend

A062104 Square array read by antidiagonals: number of ways a black pawn (starting at any square on the second rank) can (theoretically) end at various squares on an infinite chessboard.

Table of values

List of values