A342174 Primes in A342173.

3, 11, 23, 43, 53, 71, 107, 229, 241, 269, 293, 313, 643, 701, 857, 883, 1109, 1361, 1601, 1693, 1697, 1721, 1867, 2267, 2621, 2719, 2767, 2789, 2971, 3067, 3137, 3169, 3529, 3533, 3557, 3739, 3767, 4007, 4093, 4139, 4153, 4219, 4337, 4423, 4447, 4451, 4517, 4663, 4787, 4943, 5279, 5387, 5501

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..1000

Example

The first three primes in A342173 are a(1) = A342173(3) = 3, a(2) = A342173(5) = 11, and a(3) = A342173(8) = 23.

Maple

f:= proc(n) local t, i, s;
  t:= ithprime(n);
  add(floor(t/ ithprime(i)), i=1..n-1)
end proc:
select(isprime, map(f, [$1..100]));

Crossrefs

Cf. A342173.

Sequence in context: A121509 A096071 A230117 * A159791 A078723 A294368

Adjacent sequences: A342171 A342172 A342173 * A342175 A342176 A342177

Keyword

nonn

Author

J. M. Bergot and Robert Israel, Mar 03 2021

Status

approved