A285867 - cp's OEIS frontend

A285867 Triangle T(n, k) read by rows: T(n, k) = S2(n, k)k! + S2(n, k-1)(k-1)! with the Stirling2 triangle S2 = A048993.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	3
6	0
7	1
8	7
9	12
10	0
11	1
12	15
13	50
14	60
15	0
16	1
17	31
18	180
19	390
20	360
21	0
22	1
23	63
24	602
25	2100
26	3360
27	2520
28	0
29	1
30	127
31	1932
32	10206
33	25200
34	31920
35	20160
36	0
37	1
38	255
39	6050
40	46620
41	166824
42	317520
43	332640
44	181440
45	0
46	1
47	511
48	18660
49	204630
50	1020600
51	2739240
52	4233600
53	3780000
54	1814400
55	0
56	1
57	1023
58	57002
59	874500
60	5921520
61	21538440
62	46070640
63	59875200
64	46569600
65	19958400

[1, 0, 1, 0, 1, 3, 0, 1, 7, 12, 0, 1, 15, 50, 60, 0, 1, 31, 180, 390, 360, 0, 1, 63, 602, 2100, 3360, 2520, 0, 1, 127, 1932, 10206, 25200, 31920, 20160, 0, 1, 255, 6050, 46620, 166824, 317520, 332640, 181440, 0, 1, 511, 18660, 204630, 1020600, 2739240, 4233600, 3780000, 1814400, 0, 1, 1023, 57002, 874500, 5921520, 21538440, 46070640, 59875200, 46569600, 19958400]

cp's OEIS Frontend

A285867 Triangle T(n, k) read by rows: T(n, k) = S2(n, k)k! + S2(n, k-1)(k-1)! with the Stirling2 triangle S2 = A048993.

Table of values

List of values

cp's OEIS Frontend

A285867 Triangle T(n, k) read by rows: T(n, k) = S2(n, k)*k! + S2(n, k-1)*(k-1)! with the Stirling2 triangle S2 = A048993.

Table of values

List of values

A285867 Triangle T(n, k) read by rows: T(n, k) = S2(n, k)k! + S2(n, k-1)(k-1)! with the Stirling2 triangle S2 = A048993.