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”).

A097800 as a simple table

na(n)
11
21
31
42
52
64
72
84
97
108
115
1214
1314
145
1523
1626
1718
1838
1917
2046
2165
2234
2375
2450
25106
2659
27125
28175
29203
30275
31326
32243
33434
34519
35675
36477
37806
381044
391244
40985
411604
421902
432420
441892
452887
462391
473632
482932
494342
505424
514509
526460
535513
548021
559557
5611817

[1,1,1,2,2,4,2,4,7,8,5,14,14,5,23,26,18,38,17,46,
 65,34,75,50,106,59,125,175,203,275,326,243,434,
 519,675,477,806,1044,1244,985,1604,1902,2420,1892,
 2887,2391,3632,2932,4342,5424,4509,6460,5513,8021,
 9557,11817]