A343157 Trajectory of 407 under the map x -> A084317(x).

407, 1137, 3379, 31109, 132393, 344131, 1731653, 71143523, 115771019, 7133141039, 18152375353, 723112747673, 1938058565667, 372411163329269, 646991575604859, 3500960117162747, 19920988418382133, 479222853318661919, 3877130279948783893, 71942196909541476259, 7170749184914732550379

Offset: 0

Author

Hans Havermann, Apr 07 2021

Keywords

• nonn
• base

Comments

It is not known if any a(n) is a prime (see discussion in A343156). - N. J. A. Sloane, Apr 07 2021

References

• Eric Angelini, W. Edwin Clark, Hans Havermann, Frank Stevenson, Allan C. Wechsler, and others, Postings to Math Fun mailing list, April 2021.

Links

• Jinyuan Wang, Table of n, a(n) for n = 0..91 (terms 0..84 from Hans Havermann)

Crossrefs

Cf. A056938, A084317, A343156.