88480

Appears in sequences

• Number of Cantorian n X n matrices over a 2-letter alphabet.at n=4A108185
• Amicable triples: numbers such that sigma(x) = sigma(y) = sigma(z) = x+y+z, x<y<z. We order these triples according to the common value of sigma. Sequence gives z numbers.at n=14A125492
• Sequence with a (4,-8) Somos-4 Hankel transform.at n=12A178076
• a(n)=least number m such that gcd(prime(m)+2,prime(m+1)+2) = 2*n-1.at n=22A268863