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A179092
Variant of Sylvester's sequence: a(n + 1) = a(n)^2 - a(n) + 1, with a(1) = 16
1
16, 241, 57841, 3345523441, 11192527090934957041, 125272662681312932108439098957580518641, 15693240015266013784686188640793618219085803766811358216456462217808967968241
OFFSET
1,1
COMMENTS
The next term (a(8)) has 153 digits. - Harvey P. Dale, May 11 2022
REFERENCES
Mohammad K. Azarian, Sylvester's Sequence and the Infinite Egyptian Fraction Decomposition of 1, Problem 958, College Mathematics Journal, Vol. 42, No. 4, September 2011, p. 330. Solution published in Vol. 43, No. 4, September 2012, pp. 340-342
MATHEMATICA
NestList[#^2-#+1&, 16, 6] (* Harvey P. Dale, May 11 2022 *)
KEYWORD
nonn
AUTHOR
Ivan Panchenko, Jun 29 2010
STATUS
approved