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”).

A377513 as a simple table

na(n)
18
21
37
41
52
66
71
81
91
101
113
125
132
141
151
163
171
181
191
202
211
224
231
241
251
261
271
284
292
301
312
321
331
341
351
361
373
381
391
401
413
421
431
441
452
461
472
481
491
501
513
522
531
541
551
567
571
581
591
603
611
621
631
641
651
661
672
681
691
701
711
722
732
741
752
761
771
781
794
801
811
822
831
841
851
861

[8,1,7,1,2,6,1,1,1,1,3,5,2,1,1,3,1,1,1,2,1,4,1,1,
 1,1,1,4,2,1,2,1,1,1,1,1,3,1,1,1,3,1,1,1,2,1,2,1,1,
 1,3,2,1,1,1,7,1,1,1,3,1,1,1,1,1,1,2,1,1,1,1,2,2,1,
 2,1,1,1,4,1,1,2,1,1,1,1]