A181738 - cp's OEIS frontend

A181738 T(n, k) is the coefficient of x^k of the polynomial p(n) which is defined as the scalar part of P(n) = Q(x+1, 1, 1, 1) * P(n-1) for n > 0 and P(0) = Q(1, 0, 0, 0) where Q(a, b, c, d) is a quaternion, triangle read by rows.

n	a(n)
0	1
1	1
2	1
3	-2
4	2
5	1
6	-8
7	-6
8	3
9	1
10	-8
11	-32
12	-12
13	4
14	1
15	16
16	-40
17	-80
18	-20
19	5
20	1
21	64
22	96
23	-120
24	-160
25	-30
26	6
27	1
28	64
29	448
30	336
31	-280
32	-280
33	-42
34	7
35	1
36	-128
37	512
38	1792
39	896
40	-560
41	-448
42	-56
43	8
44	1
45	-512
46	-1152
47	2304
48	5376
49	2016
50	-1008
51	-672
52	-72
53	9
54	1
55	-512
56	-5120
57	-5760
58	7680
59	13440
60	4032
61	-1680
62	-960
63	-90
64	10
65	1

[1, 1, 1, -2, 2, 1, -8, -6, 3, 1, -8, -32, -12, 4, 1, 16, -40, -80, -20, 5, 1, 64, 96, -120, -160, -30, 6, 1, 64, 448, 336, -280, -280, -42, 7, 1, -128, 512, 1792, 896, -560, -448, -56, 8, 1, -512, -1152, 2304, 5376, 2016, -1008, -672, -72, 9, 1, -512, -5120, -5760, 7680, 13440, 4032, -1680, -960, -90, 10, 1]

cp's OEIS Frontend

A181738 T(n, k) is the coefficient of x^k of the polynomial p(n) which is defined as the scalar part of P(n) = Q(x+1, 1, 1, 1) * P(n-1) for n > 0 and P(0) = Q(1, 0, 0, 0) where Q(a, b, c, d) is a quaternion, triangle read by rows.

Table of values

List of values