A321163 - cp's OEIS frontend

A321163 Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is the sum of distinct products Product_{j=1..k} b_j with 1 <= b_j<= n.

n	a(n)
1	1
2	1
3	3
4	1
5	7
6	6
7	1
8	15
9	25
10	10
11	1
12	31
13	90
14	61
15	15
16	1
17	63
18	301
19	310
20	136
21	21
22	1
23	127
24	966
25	1441
26	990
27	244
28	28
29	1
30	255
31	3025
32	6370
33	6391
34	2220
35	440
36	36
37	1
38	511
39	9330
40	27301
41	38325
42	17731
43	5300
44	680
45	45
46	1
47	1023
48	28501
49	114670
50	218926
51	130851
52	54831
53	9660
54	1022
55	55

[1, 1, 3, 1, 7, 6, 1, 15, 25, 10, 1, 31, 90, 61, 15, 1, 63, 301, 310, 136, 21, 1, 127, 966, 1441, 990, 244, 28, 1, 255, 3025, 6370, 6391, 2220, 440, 36, 1, 511, 9330, 27301, 38325, 17731, 5300, 680, 45, 1, 1023, 28501, 114670, 218926, 130851, 54831, 9660, 1022, 55]

cp's OEIS Frontend

A321163 Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is the sum of distinct products Product_{j=1..k} b_j with 1 <= b_j<= n.

Table of values

List of values