220793

Properties

Appears in sequences

• Define the sequence T(a(0),a(1)) by a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n) for n >= 0. This is T(4,11).at n=11A019495
• Irregular primes with irregularity index four.at n=32A219332
• Prime numbersat n=19678