A356124 - cp's OEIS frontend

A356124 Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} j^k * binomial(floor(n/j)+1,2).

n	a(n)
1	1
2	1
3	4
4	1
5	5
6	8
7	1
8	7
9	11
10	15
11	1
12	11
13	19
14	23
15	21
16	1
17	19
18	41
19	47
20	33
21	33
22	1
23	35
24	103
25	125
26	77
27	57
28	41
29	1
30	67
31	281
32	395
33	255
34	149
35	71
36	56
37	1
38	131
39	799
40	1373
41	1025
42	555
43	205
44	103
45	69
46	1
47	259
48	2321
49	5027
50	4503
51	2537
52	905
53	325
54	130
55	87
56	1
57	515
58	6823
59	18965
60	20657
61	12867
62	4945
63	1585
64	442
65	170
66	99

[1, 1, 4, 1, 5, 8, 1, 7, 11, 15, 1, 11, 19, 23, 21, 1, 19, 41, 47, 33, 33, 1, 35, 103, 125, 77, 57, 41, 1, 67, 281, 395, 255, 149, 71, 56, 1, 131, 799, 1373, 1025, 555, 205, 103, 69, 1, 259, 2321, 5027, 4503, 2537, 905, 325, 130, 87, 1, 515, 6823, 18965, 20657, 12867, 4945, 1585, 442, 170, 99]

cp's OEIS Frontend

A356124 Square array T(n,k), n >= 1, k >= 0, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} j^k * binomial(floor(n/j)+1,2).

Table of values

List of values