A166905 - cp's OEIS frontend

A166905 Triangle, read by rows, that transforms rows into diagonals in the table A158825 of coefficients in successive iterations of x*Catalan(x) (cf. A000108).

n	a(n)
0	1
1	1
2	1
3	6
4	4
5	1
6	54
7	33
8	9
9	1
10	640
11	380
12	108
13	16
14	1
15	9380
16	5510
17	1610
18	270
19	25
20	1
21	163576
22	95732
23	28560
24	5148
25	570
26	36
27	1
28	3305484
29	1933288
30	586320
31	110929
32	13650
33	1071
34	49
35	1
36	75915708
37	44437080
38	13658904
39	2677008
40	353600
41	31624
42	1848
43	64
44	1
45	1952409954

[1, 1, 1, 6, 4, 1, 54, 33, 9, 1, 640, 380, 108, 16, 1, 9380, 5510, 1610, 270, 25, 1, 163576, 95732, 28560, 5148, 570, 36, 1, 3305484, 1933288, 586320, 110929, 13650, 1071, 49, 1, 75915708, 44437080, 13658904, 2677008, 353600, 31624, 1848, 64, 1, 1952409954]

cp's OEIS Frontend

A166905 Triangle, read by rows, that transforms rows into diagonals in the table A158825 of coefficients in successive iterations of x*Catalan(x) (cf. A000108).

Table of values

List of values