OFFSET
1,2
COMMENTS
LINKS
B. Srinivasa Rao, Heptagonal Numbers in the Lucas Sequence and Diophantine Equations x^2(5x-3)^2 = 20y^2+-16, The Fibonacci Quarterly, Vol. 40, No. 4 (2002), 319-322.
Szabolcs Tengely, Finding g-gonal numbers in recurrence sequences, Fibonacci Quarterly, vol.46/47, no.3, pp.235-240, (2009).
CROSSREFS
KEYWORD
nonn,easy,full,fini
AUTHOR
Tomohiro Yamada, Sep 25 2017
STATUS
approved