A177938 - cp's OEIS frontend

A177938 Triangle T(n,k) = (-1)^(k+n)*A054655(n,n-k), 0<=k read by rows.

n	a(n)
0	1
1	1
2	1
3	6
4	5
5	1
6	60
7	47
8	12
9	1
10	840
11	638
12	179
13	22
14	1
15	15120
16	11274
17	3325
18	485
19	35
20	1
21	332640
22	245004
23	74524
24	11985
25	1075
26	51
27	1
28	8648640
29	6314664
30	1961470
31	336049
32	34300
33	2086
34	70
35	1
36	259459200
37	188204400
38	59354028
39	10630508
40	1182769
41	83720

[1, 1, 1, 6, 5, 1, 60, 47, 12, 1, 840, 638, 179, 22, 1, 15120, 11274, 3325, 485, 35, 1, 332640, 245004, 74524, 11985, 1075, 51, 1, 8648640, 6314664, 1961470, 336049, 34300, 2086, 70, 1, 259459200, 188204400, 59354028, 10630508, 1182769, 83720]

cp's OEIS Frontend

A177938 Triangle T(n,k) = (-1)^(k+n)*A054655(n,n-k), 0<=k read by rows.

Table of values

List of values