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A294785 as a simple table

na(n)
01
11
23
39
457
5297
62187
715921
8181233
91731249
1020741139
11241294329
123524256297
1349123306521
14781173645723
1512522002462433
16247000850880993
174516315005395169
1892648539990208547
191886480713319540841
2043524900326040674841
21986331301183882645641
2224094409085348757028523
23596222660659090240456209
2416242798073806940474325457
25438933088683325211888103057
2612586136448791084548892537907

[1,1,3,9,57,297,2187,15921,181233,1731249,
 20741139,241294329,3524256297,49123306521,
 781173645723,12522002462433,247000850880993,
 4516315005395169,92648539990208547,
 1886480713319540841,43524900326040674841,
 986331301183882645641,24094409085348757028523,
 596222660659090240456209,
 16242798073806940474325457,
 438933088683325211888103057,
 12586136448791084548892537907]