A345033 - cp's OEIS frontend

A345033 Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} (-k)^(floor(n/j) - 1).

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	2
7	1
8	-1
9	3
10	2
11	1
12	-2
13	6
14	0
15	3
16	1
17	-3
18	11
19	-8
20	3
21	3
22	1
23	-4
24	18
25	-28
26	17
27	2
28	4
29	1
30	-5
31	27
32	-66
33	81
34	-27
35	5
36	4
37	1
38	-6
39	38
40	-128
41	255
42	-234
43	70
44	0
45	5
46	1
47	-7
48	51
49	-220
50	623
51	-1009
52	739
53	-136
54	5
55	5
56	1
57	-8
58	66
59	-348
60	1293
61	-3102
62	4112
63	-2216
64	255
65	4
66	6
67	1
68	-9
69	83
70	-518
71	2397
72	-7743
73	15649
74	-16452
75	6545
76	-491
77	7
78	6

[1, 1, 1, 1, 0, 2, 1, -1, 3, 2, 1, -2, 6, 0, 3, 1, -3, 11, -8, 3, 3, 1, -4, 18, -28, 17, 2, 4, 1, -5, 27, -66, 81, -27, 5, 4, 1, -6, 38, -128, 255, -234, 70, 0, 5, 1, -7, 51, -220, 623, -1009, 739, -136, 5, 5, 1, -8, 66, -348, 1293, -3102, 4112, -2216, 255, 4, 6, 1, -9, 83, -518, 2397, -7743, 15649, -16452, 6545, -491, 7, 6]

cp's OEIS Frontend

A345033 Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} (-k)^(floor(n/j) - 1).

Table of values

List of values