login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A292809 as a simple table

na(n)
11
21
32
49
556
6420
73572
833328
9334354
103559310
1139838760
12465743720
135658983108
1471191948512
15924554859776
1612365546196641
17169995491295312
182398380272232272
1934680290150700800
20513390937937217088
217773229533145403728
22120277760289804227632
231900583166564027019136
2430649888151334972466392
25504153517331248726221392
268454018409655883681321232
27144451967918022160558965408
282513925490162481746629200624
2944542176917098830784415314624

[1,1,2,9,56,420,3572,33328,334354,3559310,
 39838760,465743720,5658983108,71191948512,
 924554859776,12365546196641,169995491295312,
 2398380272232272,34680290150700800,
 513390937937217088,7773229533145403728,
 120277760289804227632,1900583166564027019136,
 30649888151334972466392,504153517331248726221392,
 8454018409655883681321232,
 144451967918022160558965408,
 2513925490162481746629200624,
 44542176917098830784415314624]