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”).

A051894 as a simple table

na(n)
01
13
29
319
443
581
6159
7277
8501
9831
101415
112253
123673
135675
148933
1513447
1620581
1730335
1845345
1965611
2096143
21136941
22197221
23276983
24392949
25545119
26763081
271046835
281448085
291966831
302691697
313622683
324909989
336553615
348804153

[1,3,9,19,43,81,159,277,501,831,1415,2253,3673,
 5675,8933,13447,20581,30335,45345,65611,96143,
 136941,197221,276983,392949,545119,763081,1046835,
 1448085,1966831,2691697,3622683,4909989,6553615,
 8804153]