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”).

A238550 as a simple table

na(n)
21
33
44
51
61
73
88
93
101
116
1223
1333
1422
156
161
171
186
1940
20101
21125
2254
2310
241
259
2668
27262
28534
29532
30276
3174
3212
331
341
359
3698
37509
381551
392505
402196
41971
42219
4320
441
4512
46139
47927
483731
498772
5012069
519506
524366
531160
54179
5516
561
571
5812
59182
601479
617644
6224024

[1,3,4,1,1,3,8,3,1,6,23,33,22,6,1,1,6,40,101,125,
 54,10,1,9,68,262,534,532,276,74,12,1,1,9,98,509,
 1551,2505,2196,971,219,20,1,12,139,927,3731,8772,
 12069,9506,4366,1160,179,16,1,1,12,182,1479,7644,
 24024]