login

A123146 as a simple table

na(n)
01
11
21
33
46
53
66
730
860
960
1010
1190
12360
13840
141260
1515
16210
171365
185460
1915015
2030030
2121
22420
233990
2423940
25101745
26325584
27813960
2828
29756
309828
3181900
32491400
332260440
348288280
3524864840
3636
371260
3821420
39235620
401884960
4111686752
4258433760
43242082720
44847289520

[1,1,1,3,6,3,6,30,60,60,10,90,360,840,1260,15,210,
 1365,5460,15015,30030,21,420,3990,23940,101745,
 325584,813960,28,756,9828,81900,491400,2260440,
 8288280,24864840,36,1260,21420,235620,1884960,
 11686752,58433760,242082720,847289520]