A187566 - cp's OEIS frontend

A187566 Let A be the infinite lower triangular Toplitz matrix with Sigma(n) in every column; and B the diagonalized, signed variant of A002040 with the rest zeros. Sequence gives the triangle in the lower half of A*B read by rows.

n	a(n)
0	1
1	3
2	-2
3	4
4	-6
5	4
6	7
7	-8
8	12
9	-8
10	6
11	-14
12	16
13	-24
14	21
15	12
16	-12
17	28
18	-32
19	63
20	-52
21	8
22	-24
23	24
24	-56
25	84
26	-156
27	131
28	15
29	-16
30	48
31	-48
32	147
33	-208
34	393
35	-316
36	13
37	-30
38	32
39	-96
40	126
41	-364
42	524
43	-948
44	765
45	18
46	-26
47	60
48	-64
49	252
50	-312
51	917
52	-1264
53	2295
54	-1846

[1, 3, -2, 4, -6, 4, 7, -8, 12, -8, 6, -14, 16, -24, 21, 12, -12, 28, -32, 63, -52, 8, -24, 24, -56, 84, -156, 131, 15, -16, 48, -48, 147, -208, 393, -316, 13, -30, 32, -96, 126, -364, 524, -948, 765, 18, -26, 60, -64, 252, -312, 917, -1264, 2295, -1846]

cp's OEIS Frontend

A187566 Let A be the infinite lower triangular Toplitz matrix with Sigma(n) in every column; and B the diagonalized, signed variant of A002040 with the rest zeros. Sequence gives the triangle in the lower half of A*B read by rows.

Table of values

List of values