61248

Appears in sequences

• Number of n-digit base-4 deletable primes.at n=10A096237
• Least sum (n+1) + (n+2) + ... + (n+k) that is a multiple of the n-th triangular number, n(n+1)/2.at n=31A110351
• Non-palindromes in A110751; that is, non-palindromic numbers n such that n and R(n) have the same prime divisors, where R(n) = digit reversal of n.at n=13A110819
• Reversible Lynch-Bell numbers.at n=28A117954
• a(n) = 2662*n + 22.at n=22A157613
• Theta series of direct sum of 2 copies of 4-dimensional lattice QQF.4.i.at n=21A212817
• Number of n X 6 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=15A280438
• a(n) = number of nonempty subsets of {1,2,...,n} having a partition into two subsets with the same sum of elements.at n=16A357212