1803649

Appears in sequences

• Squares which have one or more occurrences of exactly seven different digits.at n=22A235722
• a(n) = 4*prime(n)^3 - 27*prime(n)^2 = (prime(n)^2)*[4*prime(n) - 27], n >= 4.at n=18A245036
• e-numbers of free pure symmetric multifunctions with one atom.at n=17A318149