A279212 - cp's OEIS frontend

A279212 Fill an array by antidiagonals upwards; in the top left cell enter a(0)=1; thereafter, in the n-th cell, enter the sum of the entries of those earlier cells that can be seen from that cell.

n	a(n)
0	1
1	1
2	2
3	2
4	6
5	11
6	4
7	15
8	39
9	72
10	8
11	37
12	119
13	293
14	543
15	16
16	88
17	330
18	976
19	2364
20	4403
21	32
22	204
23	870
24	2944
25	8373
26	20072
27	37527
28	64
29	464
30	2209
31	8334
32	26683
33	74150
34	176609
35	331072
36	128
37	1040
38	5454
39	22579
40	79534
41	246035
42	673156
43	1595909
44	2997466
45	256
46	2304
47	13176
48	59185
49	226106
50	762221
51	2303159
52	6231191
53	14721429
54	27690124

[1, 1, 2, 2, 6, 11, 4, 15, 39, 72, 8, 37, 119, 293, 543, 16, 88, 330, 976, 2364, 4403, 32, 204, 870, 2944, 8373, 20072, 37527, 64, 464, 2209, 8334, 26683, 74150, 176609, 331072, 128, 1040, 5454, 22579, 79534, 246035, 673156, 1595909, 2997466, 256, 2304, 13176, 59185, 226106, 762221, 2303159, 6231191, 14721429, 27690124]

cp's OEIS Frontend

A279212 Fill an array by antidiagonals upwards; in the top left cell enter a(0)=1; thereafter, in the n-th cell, enter the sum of the entries of those earlier cells that can be seen from that cell.

Table of values

List of values