A335545 - cp's OEIS frontend

A335545 A(n,k) is the sum of the k-th powers of the (positive) number of permutations of [n] with j descents (j=0..max(0,n-1)); square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	2
9	3
10	1
11	1
12	2
13	6
14	4
15	1
16	1
17	2
18	18
19	24
20	5
21	1
22	1
23	2
24	66
25	244
26	120
27	6
28	1
29	1
30	2
31	258
32	2664
33	5710
34	720
35	7
36	1
37	1
38	2
39	1026
40	29284
41	322650
42	188908
43	5040
44	8
45	1
46	1
47	2
48	4098
49	322104
50	19888690
51	55457604
52	8702820
53	40320
54	9
55	1
56	1
57	2
58	16386
59	3543124
60	1276095330
61	16657451236
62	17484605040
63	524888040
64	362880
65	10

[1, 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 2, 6, 4, 1, 1, 2, 18, 24, 5, 1, 1, 2, 66, 244, 120, 6, 1, 1, 2, 258, 2664, 5710, 720, 7, 1, 1, 2, 1026, 29284, 322650, 188908, 5040, 8, 1, 1, 2, 4098, 322104, 19888690, 55457604, 8702820, 40320, 9, 1, 1, 2, 16386, 3543124, 1276095330, 16657451236, 17484605040, 524888040, 362880, 10]

cp's OEIS Frontend

A335545 A(n,k) is the sum of the k-th powers of the (positive) number of permutations of [n] with j descents (j=0..max(0,n-1)); square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values