A136217 - cp's OEIS frontend

A136217 Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), 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	3
4	2
5	1
6	15
7	8
8	3
9	1
10	108
11	49
12	15
13	4
14	1
15	1036
16	414
17	108
18	24
19	5
20	1
21	12569
22	4529
23	1036
24	198
25	34
26	6
27	1
28	185704
29	61369
30	12569
31	2116
32	306
33	46
34	7
35	1
36	3247546
37	996815
38	185704
39	28052
40	3493
41	453
42	59
43	8
44	1
45	65762269
46	18931547
47	3247546
48	446560
49	48800
50	5555
51	622
52	74
53	9
54	1

[1, 1, 1, 3, 2, 1, 15, 8, 3, 1, 108, 49, 15, 4, 1, 1036, 414, 108, 24, 5, 1, 12569, 4529, 1036, 198, 34, 6, 1, 185704, 61369, 12569, 2116, 306, 46, 7, 1, 3247546, 996815, 185704, 28052, 3493, 453, 59, 8, 1, 65762269, 18931547, 3247546, 446560, 48800, 5555, 622, 74, 9, 1]

cp's OEIS Frontend

A136217 Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), m>=0} and then taking partial sums, starting with all 1's in row 0.

Table of values

List of values