30510

Appears in sequences

• Numbers n such that sum of first n consecutive prime numbers is pandigital (includes all 10 digits exactly once).at n=7A049442
• Numbers n such that Catalan(n)+1 is prime.at n=38A053429
• Third column of triangle A054453.at n=16A054454
• Numbers k such that the sum of the first k consecutive prime numbers is pandigital (includes all 10 digits at least once).at n=7A228468
• G.f.: Sum_{k>=0} q(k)^3 * x^k / Sum_{k>=0} q(k)*x^k, where q(n) is A000009(n).at n=18A304878
• Number of Motzkin meanders of length n with an even number of humps and without peaks.at n=13A325917
• Number of ways to write n as an ordered sum of nine powers of 2.at n=29A342252
• Numbers m such that d(1)^1 + d(2)^2 + ... + d(p)^k = d(1)! + d(2)! + ... + d(k)!, where d(i), i=1..k, are the digits of m.at n=41A342945