52126

Appears in sequences

• (2*5^n + 2^n)/3.at n=7A082685
• Integers n such that the century defined by the interval [100n+1, 100n+100] (i.e., the (n+1)-st century) contains exactly one Ormiston prime pair and no other primes.at n=5A162895
• T(n,k) = Number of n X k nonnegative integer arrays with each row and column an ascent sequence (interior element no greater than one plus up-steps preceding it).at n=47A202549
• T(n,k) = Number of n X k nonnegative integer arrays with each row and column an ascent sequence (interior element no greater than one plus up-steps preceding it).at n=52A202549
• T(n,k)=Number of nXk 0..2 arrays with new values introduced in each row and column in sequential order starting with zero.at n=47A268056
• T(n,k)=Number of nXk 0..2 arrays with new values introduced in each row and column in sequential order starting with zero.at n=52A268056
• T(n,k)=Number of nXk nonnegative integer arrays with new values introduced in each row and column in sequential order starting with zero.at n=47A268079
• T(n,k)=Number of nXk nonnegative integer arrays with new values introduced in each row and column in sequential order starting with zero.at n=52A268079
• Expansion of Product_{k>=1} ((1 + x^(5*k)) / (1 - x^k))^k.at n=19A285461