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A343157
Trajectory of 407 under the map x -> A084317(x).
2
407, 1137, 3379, 31109, 132393, 344131, 1731653, 71143523, 115771019, 7133141039, 18152375353, 723112747673, 1938058565667, 372411163329269, 646991575604859, 3500960117162747, 19920988418382133, 479222853318661919, 3877130279948783893, 71942196909541476259, 7170749184914732550379
OFFSET
0,1
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
KEYWORD
nonn,base
AUTHOR
Hans Havermann, Apr 07 2021
STATUS
approved