OFFSET
1,2
COMMENTS
a(1)-a(5) are given on p. 11 in Yaqubi, Fatehizadeh, 2020. According to the authors there are no other terms up to 10^6.
Apparently an erroneous version of A331977.
Included in accordance with OEIS policy of including published but erroneous sequences to serve as pointers to the correct values.
LINKS
D. Yaqubi and A. Fatehizadeh, Some results on average of Fibonacci and Lucas sequences, arXiv:2001.11839 [math.CO], 2020.
PROG
(PARI) is(n) = my(s=sum(i=1, n, fibonacci(i))); lift(Mod(s, n))==0 && lift(Mod(s+fibonacci(n+1), n+1))==0
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Felix Fröhlich, Dec 09 2020
STATUS
approved