A179093 Variant of Sylvester's sequence: a(n + 1) = a(n)^2 - a(n) + 1, with a(1) = 17.

17, 273, 74257, 5514027793, 30404502496462423057, 924433772057389715967338233131182802193, 854577798920253967214683802805361134256432824758816469437971879296076582807057

Offset: 1

Author

Ivan Panchenko, Jun 29 2010

Keywords

• nonn

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

Links

• Markus Tervooren, Factorizations of Silvester/Euclid sequence 17

Crossrefs

Cf. A144779, A144780, A144781, A144782, A144783, A144784, A144785

Programs

Mathematica

NestList[#^2-#+1&,17,10] (* Harvey P. Dale, Aug 16 2012 *)