login

A280101 as a simple table

na(n)
01
11
24
37
412
515
628
760
891
9195
10252
11360
12252
13216
14744
15896
161020
171512
181651
192400
203048
217644
226552
234800
246720
2510890
2624384
2719812
2817360
2920160
3045136
3135280
3240320
3354600
3478624
3568400
3627540
3779248
38115200
39219583
40265980
41200312
42268800
43335160

[1,1,4,7,12,15,28,60,91,195,252,360,252,216,744,
 896,1020,1512,1651,2400,3048,7644,6552,4800,6720,
 10890,24384,19812,17360,20160,45136,35280,40320,
 54600,78624,68400,27540,79248,115200,219583,
 265980,200312,268800,335160]