login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A245541 as a simple table

na(n)
11
21
33
41
51
63
76
81
91
101
113
123
133
146
1510
161
171
181
193
201
211
223
236
243
253
263
279
286
296
3010
3115
321
331
341
353
361
371
383
396
401
411
421
433
443
453
466
4710
483
493
503
519
523
533
549
5518
566
576
586
5918
6010
6110
6215
6321
641
651
661
673
681
691
703
716
721
731
741
753
763
773
786
7910
801
811
821
833
841
851
863
876
883
893
903
919
926
936
9410
9515

[1,1,3,1,1,3,6,1,1,1,3,3,3,6,10,1,1,1,3,1,1,3,6,3,
 3,3,9,6,6,10,15,1,1,1,3,1,1,3,6,1,1,1,3,3,3,6,10,
 3,3,3,9,3,3,9,18,6,6,6,18,10,10,15,21,1,1,1,3,1,1,
 3,6,1,1,1,3,3,3,6,10,1,1,1,3,1,1,3,6,3,3,3,9,6,6,
 10,15]