A235606 - cp's OEIS frontend

A235606 Shanks's array d_{a,n} (a >= 1, n >= 1) that generalizes the tangent numbers, read by antidiagonals upwards.

n	a(n)
1	1
2	1
3	2
4	2
5	11
6	16
7	4
8	46
9	361
10	272
11	4
12	128
13	3362
14	24611
15	7936
16	6
17	272
18	16384
19	515086
20	2873041
21	353792
22	8
23	522
24	55744
25	4456448
26	135274562
27	512343611
28	22368256
29	8
30	904
31	152166
32	23750912
33	2080374784
34	54276473326
35	129570724921
36	1903757312
37	12
38	1408
39	355688

[1, 1, 2, 2, 11, 16, 4, 46, 361, 272, 4, 128, 3362, 24611, 7936, 6, 272, 16384, 515086, 2873041, 353792, 8, 522, 55744, 4456448, 135274562, 512343611, 22368256, 8, 904, 152166, 23750912, 2080374784, 54276473326, 129570724921, 1903757312, 12, 1408, 355688]

cp's OEIS Frontend

A235606 Shanks's array d_{a,n} (a >= 1, n >= 1) that generalizes the tangent numbers, read by antidiagonals upwards.

Table of values

List of values