A319649 - cp's OEIS frontend

A319649 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{j=1..n} j^k * floor(n/j).

n	a(n)
1	1
2	1
3	3
4	1
5	4
6	5
7	1
8	6
9	8
10	8
11	1
12	10
13	16
14	15
15	10
16	1
17	18
18	38
19	37
20	21
21	14
22	1
23	34
24	100
25	111
26	63
27	33
28	16
29	1
30	66
31	278
32	373
33	237
34	113
35	41
36	20
37	1
38	130
39	796
40	1335
41	999
42	489
43	163
44	56
45	23
46	1
47	258
48	2318
49	4957
50	4461
51	2393
52	833
53	248
54	69
55	27
56	1
57	514
58	6820
59	18831
60	20583
61	12513
62	4795
63	1418
64	339
65	87
66	29

[1, 1, 3, 1, 4, 5, 1, 6, 8, 8, 1, 10, 16, 15, 10, 1, 18, 38, 37, 21, 14, 1, 34, 100, 111, 63, 33, 16, 1, 66, 278, 373, 237, 113, 41, 20, 1, 130, 796, 1335, 999, 489, 163, 56, 23, 1, 258, 2318, 4957, 4461, 2393, 833, 248, 69, 27, 1, 514, 6820, 18831, 20583, 12513, 4795, 1418, 339, 87, 29]

cp's OEIS Frontend

A319649 Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{j=1..n} j^k * floor(n/j).

Table of values

List of values