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”).

A163623 as a simple table

na(n)
1241
2601
31201
41321
51801
62161
72281
82521
93001
103121
113361
124201
134441
144561
154801
165281
175521
185641
195881
206121
216361
226481
236841
246961
257321
267561
277681
288161
298521
308641
318761
329001
339241
349601
359721
3610321
3711161
3812241
3912601
4012721
4112841

[241,601,1201,1321,1801,2161,2281,2521,3001,3121,
 3361,4201,4441,4561,4801,5281,5521,5641,5881,6121,
 6361,6481,6841,6961,7321,7561,7681,8161,8521,8641,
 8761,9001,9241,9601,9721,10321,11161,12241,12601,
 12721,12841]