A350095 -id:A350095 - cp's OEIS frontend

A350096 a(n) is the larger of 2 consecutive primes bounding an interval containing a record number A350097(n) of odd squarefree semiprimes (A046388).

17, 37, 97, 211, 223, 907, 1151, 1361, 10007, 15727, 19661, 44351, 156007, 370373, 396833, 492227, 1357333, 1671907, 3826157, 17836561, 20831533, 47465443, 107534789, 122164969, 434865671, 436273291, 2300942869, 4302407713, 10726905041, 25056082543, 42652618807

Offset: 1

Hugo Pfoertner, Dec 25 2021

nonn

			See A350095.

Lucas A. Brown, Table of n, a(n) for n = 1..32 (terms 1-28 from _Hugo Pfoertner_, 29-31 from _Martin Ehrenstein_)
Lucas A. Brown, Python program.

A350097 gives the corresponding counts.

Cf. A000101, A002386, A005250, A046388, A349995, A350095.

a(n) = nextprime(A350095(n)).

a(29)-a(31) from Martin Ehrenstein, Dec 28 2021

a(32) from Lucas A. Brown, Mar 21 2024

A350097 Record numbers of counts of odd squarefree semiprimes (A046388) in an interval between 2 consecutive primes.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 8, 11, 12, 13, 17, 18, 23, 24, 25, 27, 29, 30, 34, 36, 41, 42, 43, 45, 49, 54, 58, 59, 71, 74, 81, 99

Offset: 1

Hugo Pfoertner, Dec 25 2021

			See A350095.

Lucas A. Brown, Python program.

A350095 and A350096 are the primes delimiting the corresponding intervals.

Cf. A046388.

a(29)-a(31) from Martin Ehrenstein, Dec 28 2021

a(32) from Lucas A. Brown, Mar 21 2024

cp's OEIS Frontend

A350096 a(n) is the larger of 2 consecutive primes bounding an interval containing a record number A350097(n) of odd squarefree semiprimes (A046388).

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