225769

Properties

Appears in sequences

• Number of positive integers <= 2^n of form x^2 + 18 y^2.at n=21A054231
• List the first term of each triple of consecutive primes with the property that their sum is the square of a prime.at n=13A130621
• Number of different strings of length n+5 obtained from "123...n" by iteratively duplicating any substring.at n=24A137740
• Smallest of three consecutive primes whose sum is a square.at n=23A206279
• Smallest m such that the period of the continued fraction of sqrt(m) is A215485(n); records of A013646.at n=42A215508
• First of a sequence of exactly n consecutive primes whose squares have the same last digit.at n=12A366310
• Prime numbersat n=20086