A284988 Number of distinct products i*j*k*l*m for 1 <= i <= j <= k <= l <= m <= n.

1, 6, 21, 36, 91, 126, 266, 336, 441, 546, 994, 1120, 1890, 2184, 2562, 2856, 4482, 4932, 7392, 8052, 9042, 10032, 14377, 15092, 17237, 18887, 20812, 22297, 30635, 31856, 42783, 45240, 49023, 52806, 57707, 59436, 77623, 83083, 89180, 92365, 118188, 122248, 154188

Offset: 1

Author

Seiichi Manyama, Apr 07 2017

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..100

Crossrefs

Cf. A027424, A027425, A100437.