A001498 - cp's OEIS frontend

A001498 Triangle a(n,k) (n >= 0, 0 <= k <= n) of coefficients of Bessel polynomials y_n(x) (exponents in increasing order).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	3
6	1
7	6
8	15
9	15
10	1
11	10
12	45
13	105
14	105
15	1
16	15
17	105
18	420
19	945
20	945
21	1
22	21
23	210
24	1260
25	4725
26	10395
27	10395
28	1
29	28
30	378
31	3150
32	17325
33	62370
34	135135
35	135135
36	1
37	36
38	630
39	6930
40	51975
41	270270
42	945945
43	2027025
44	2027025
45	1
46	45
47	990
48	13860
49	135135
50	945945
51	4729725
52	16216200
53	34459425
54	34459425

[1, 1, 1, 1, 3, 3, 1, 6, 15, 15, 1, 10, 45, 105, 105, 1, 15, 105, 420, 945, 945, 1, 21, 210, 1260, 4725, 10395, 10395, 1, 28, 378, 3150, 17325, 62370, 135135, 135135, 1, 36, 630, 6930, 51975, 270270, 945945, 2027025, 2027025, 1, 45, 990, 13860, 135135, 945945, 4729725, 16216200, 34459425, 34459425]

cp's OEIS Frontend

A001498 Triangle a(n,k) (n >= 0, 0 <= k <= n) of coefficients of Bessel polynomials y_n(x) (exponents in increasing order).

Table of values

List of values