A075352 - cp's OEIS frontend

A075352 Group the natural numbers so that the product of the terms of the n-th group is just >= n!: (1), (2), (3, 4), (5, 6), (7, 8, 9), (10, 11, 12), (13, 14, 15, 16), (17, 18, 19, 20), (21, 22, 23, 24, 25), (26, 27, 28, 29, 30), ... Sequence gives product of numbers in each group.

n	a(n)
1	1
2	2
3	12
4	30
5	504
6	1320
7	43680
8	116280
9	6375600
10	17100720
11	1402410240
12	3776965920
13	8835488640
14	1022755734000
15	2478652606080
16	380634949094400
17	945378254620800
18	186127248627129600
19	470489622136934400
20	115590003914312928000

[1, 2, 12, 30, 504, 1320, 43680, 116280, 6375600, 17100720, 1402410240, 3776965920, 8835488640, 1022755734000, 2478652606080, 380634949094400, 945378254620800, 186127248627129600, 470489622136934400, 115590003914312928000]

cp's OEIS Frontend

A075352 Group the natural numbers so that the product of the terms of the n-th group is just >= n!: (1), (2), (3, 4), (5, 6), (7, 8, 9), (10, 11, 12), (13, 14, 15, 16), (17, 18, 19, 20), (21, 22, 23, 24, 25), (26, 27, 28, 29, 30), ... Sequence gives product of numbers in each group.

Table of values

List of values