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A068895
a(1) = 1; a(n) is the smallest cube which is congruent to 1 mod a(n-1).
0
1, 8, 729, 14526784, 10557204381300759489, 43579578335427493547511368128557118597314764434646474944
OFFSET
1,2
EXAMPLE
a(3) = 729 = 9^3 = 91*a(2) + 1 where a(2) = 8=2^3 = 7*1 + 1.
CROSSREFS
Cf. A068894.
Sequence in context: A268250 A268106 A023813 * A115590 A134923 A144230
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Mar 20 2002
EXTENSIONS
a(5) from Donovan Johnson, Mar 10 2010
a(6) from Sean A. Irvine, Mar 23 2024
STATUS
approved