login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A290350 as a simple table

na(n)
148
2201
3310
41894
55321
612706
719475
838759
916151
1023120
1116496
1249145
13108244
14499453
153436777
1610278262
1733836945
18240512002
19913716328
20939389234
213295603306
2227693125191
2343752137122
24225022142762
252016929822398
2621026295155804
2766261353668847
28675731396348989

[48,201,310,1894,5321,12706,19475,38759,16151,
 23120,16496,49145,108244,499453,3436777,10278262,
 33836945,240512002,913716328,939389234,3295603306,
 27693125191,43752137122,225022142762,
 2016929822398,21026295155804,66261353668847,
 675731396348989]