A100438 - cp's OEIS frontend

A100438 Number of distinct products ijk*l for 1 <= i < j < k < l <= n.

n	a(n)
1	0
2	0
3	0
4	1
5	5
6	13
7	29
8	50
9	79
10	111
11	186
12	219
13	345
14	428
15	513
16	610
17	884
18	991
19	1387
20	1535
21	1742
22	1994
23	2671
24	2833
25	3319
26	3719
27	4154
28	4474
29	5751
30	5985
31	7575
32	8121
33	8803
34	9593
35	10401
36	10785
37	13303
38	14371
39	15414
40	15988
41	19379
42	20089
43	24103
44	25237
45	26369

[0, 0, 0, 1, 5, 13, 29, 50, 79, 111, 186, 219, 345, 428, 513, 610, 884, 991, 1387, 1535, 1742, 1994, 2671, 2833, 3319, 3719, 4154, 4474, 5751, 5985, 7575, 8121, 8803, 9593, 10401, 10785, 13303, 14371, 15414, 15988, 19379, 20089, 24103, 25237, 26369]

cp's OEIS Frontend

A100438 Number of distinct products ijk*l for 1 <= i < j < k < l <= n.

Table of values

List of values

cp's OEIS Frontend

A100438 Number of distinct products i*j*k*l for 1 <= i < j < k < l <= n.

Table of values

List of values

A100438 Number of distinct products ijk*l for 1 <= i < j < k < l <= n.