A136212 - cp's OEIS frontend

A136212 Triple factorial array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {[m*(m+5)/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	4
4	2
5	1
6	28
7	10
8	3
9	1
10	280
11	80
12	18
13	4
14	1
15	3640
16	880
17	162
18	28
19	5
20	1
21	58240
22	12320
23	1944
24	280
25	39
26	6
27	1
28	1106560
29	209440
30	29160
31	3640
32	418
33	52
34	7
35	1
36	24344320
37	4188800
38	524880
39	58240
40	5714
41	600
42	66
43	8
44	1
45	608608000
46	96342400
47	11022480
48	1106560
49	95064

[1, 1, 1, 4, 2, 1, 28, 10, 3, 1, 280, 80, 18, 4, 1, 3640, 880, 162, 28, 5, 1, 58240, 12320, 1944, 280, 39, 6, 1, 1106560, 209440, 29160, 3640, 418, 52, 7, 1, 24344320, 4188800, 524880, 58240, 5714, 600, 66, 8, 1, 608608000, 96342400, 11022480, 1106560, 95064]

cp's OEIS Frontend

A136212 Triple factorial array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {[m*(m+5)/6], m >= 0} and then taking partial sums, starting with all 1's in row 0.

Table of values

List of values