A139769 - cp's OEIS frontend

A139769 T(n,k) = [x^k] Product_{m=1..n} d/dx Sum_{i=1..m} x^i; triangle read by rows, n >= 0, 0 <= k <= A161680(n).

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	4
6	7
7	6
8	1
9	6
10	18
11	36
12	49
13	46
14	24
15	1
16	8
17	33
18	94
19	204
20	354
21	497
22	562
23	501
24	326
25	120
26	1
27	10
28	52
29	188
30	528
31	1222
32	2406
33	4102
34	6116
35	7996
36	9132
37	9014
38	7541
39	5116
40	2556
41	720
42	1
43	12
44	75
45	326
46	1105
47	3106
48	7513
49	16014
50	30558
51	52752
52	82938
53	119230
54	156983

[1, 1, 1, 2, 1, 4, 7, 6, 1, 6, 18, 36, 49, 46, 24, 1, 8, 33, 94, 204, 354, 497, 562, 501, 326, 120, 1, 10, 52, 188, 528, 1222, 2406, 4102, 6116, 7996, 9132, 9014, 7541, 5116, 2556, 720, 1, 12, 75, 326, 1105, 3106, 7513, 16014, 30558, 52752, 82938, 119230, 156983]

cp's OEIS Frontend

A139769 T(n,k) = [x^k] Product_{m=1..n} d/dx Sum_{i=1..m} x^i; triangle read by rows, n >= 0, 0 <= k <= A161680(n).

Table of values

List of values