OFFSET
1,2
FORMULA
EXAMPLE
1.2552211343298486031402667274403360...
MATHEMATICA
x = N[Sum[2^(1 - n)/LucasL[n], {n, 1, 500}], 100]
RealDigits[x][[1]]
PROG
(PARI) L(n) = real((2 + quadgen(5)) * quadgen(5)^n); \\ A000032
suminf(n=1, 2^(1-n)/L(n)) \\ Michel Marcus, Nov 17 2020
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Mar 12 2016
STATUS
approved