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”).

A378159 as a simple table

na(n)
11
23
311
453
53
613
711
83
91468457
1011
113
121373
1334361893981
143
1517713
162130617
173
1811
1913
203
2111
22617
233
2437
2511
263
27179
2814633
293
3076463
3197
323
33337
341049
353
3611
377237598635049
383
3967
4011
413
4222742406079421034331584846001936724930824184898296683
4311
443
4513

[1,3,11,53,3,13,11,3,1468457,11,3,1373,
 34361893981,3,17713,2130617,3,11,13,3,11,617,3,37,
 11,3,179,14633,3,76463,97,3,337,1049,3,11,
 7237598635049,3,67,11,3,
 22742406079421034331584846001936724930824184898296\
 683,11,3,13]