149365domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(457).at n=10A041870Sum of the digits of the n-th Mersenne prime (A000668).at n=28A066538Sum of third powers of three consecutive primes.at n=10A133530a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/3)} binomial(n-2*k-1,k) * a(k).at n=30A352042