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A335001
Integers m such that d(F(m)) = d(L(m)) where d is the number of divisors function, F(n) and L(n) are respectively the n-th Fibonacci and n-th Lucas numbers.
2
1, 4, 5, 7, 10, 11, 13, 14, 17, 18, 26, 46, 47, 58, 73, 77, 85, 89, 103, 107, 121, 139, 167, 179, 181, 187, 205, 221, 233, 241, 247, 253, 257, 262, 269, 273, 281, 293, 295, 317, 329, 335, 337, 341, 371, 377, 397, 407, 409, 427, 442, 454, 466, 491, 506, 563, 611
OFFSET
1,2
COMMENTS
Numbers m such that A063375(m) = A272377(m).
It appears that this is a subsequence of A335002, so that terms also satisfy omega(F(m)) = omega(L(m))
PROG
(PARI) lucas(n) = fibonacci(n+1)+fibonacci(n-1);
isok(m) = numdiv(fibonacci(m))==numdiv(lucas(m));
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, May 19 2020
STATUS
approved