A340744 Primes in A340618, in the order in which they occur.
31, 23, 19, 43, 73, 53, 43, 37, 61, 43, 83, 73, 43, 73, 53, 67, 79, 73, 61, 59, 173, 151, 109, 223, 163, 109, 127, 109, 109, 233, 109, 109, 163, 139, 113, 109, 109, 181, 109, 109, 523, 353, 199, 383, 331, 199, 223, 313, 199, 173, 163, 271, 229, 211, 199, 199, 751, 503, 433, 307, 229, 313, 2411
Offset: 1
Examples
a(4) = A316650(23) = 43 is the fourth term in A316650 that is prime.
Programs
-
Maple
f:= proc(n) local a, b, c,p; c:= convert(convert(n, base, 10), `+`); a:= floor(n/c); b:= n mod c; p:= 10^(1+ilog10(b))*a+b; if isprime(p) then p fi; end proc: map(f, [$1..1000]);