52601
domain: N
Appears in sequences
- a(1)=1, a(2)=2, a(3)=3, a(n) = 3*a(n-3)+2*a(n-2)+a(n-1).at n=13A285794
- Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1.at n=25A327978
- Numbers k such that A003415(k) == A276085(k) (mod 2310), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.at n=48A391864