OFFSET
1,1
COMMENTS
Conjecture: a(n) >= 1. The length of interval I_n is n+2.
These intervals are considered in A307213.
EXAMPLE
The intervals are I_1 = [1, 2, 3], I_2 = [4, 5, 6, 7], ...
PROG
(Magma) [#PrimesInInterval(Binomial(j+1, 2)+j-1, Binomial(j+1, 2)+2*j):j in [1..94]]; // Marius A. Burtea, Jul 13 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Wolfdieter Lang, Jul 13 2019
STATUS
approved