A135878 - cp's OEIS frontend

A135878 Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms at positions [(m+3)^2/4 - 2] for m>=0 and then taking partial sums, starting with all 1's in row 0.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	1
6	6
7	6
8	3
9	1
10	25
11	25
12	12
13	4
14	1
15	138
16	138
17	63
18	19
19	5
20	1
21	970
22	970
23	421
24	113
25	28
26	6
27	1
28	8390
29	8390
30	3472
31	832
32	190
33	38
34	7
35	1
36	86796
37	86796
38	34380
39	7420
40	1560
41	283
42	50
43	8
44	1
45	1049546
46	1049546
47	399463
48	78406
49	15250
50	2502
51	411
52	63
53	9
54	1
55	14563135
56	14563135

[1, 1, 1, 2, 2, 1, 6, 6, 3, 1, 25, 25, 12, 4, 1, 138, 138, 63, 19, 5, 1, 970, 970, 421, 113, 28, 6, 1, 8390, 8390, 3472, 832, 190, 38, 7, 1, 86796, 86796, 34380, 7420, 1560, 283, 50, 8, 1, 1049546, 1049546, 399463, 78406, 15250, 2502, 411, 63, 9, 1, 14563135, 14563135]

cp's OEIS Frontend

A135878 Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms at positions [(m+3)^2/4 - 2] for m>=0 and then taking partial sums, starting with all 1's in row 0.

Table of values

List of values