35412

Appears in sequences

• Number of triangles a queen can make (starting anywhere) on an n X n board.at n=26A030117
• Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime.at n=35A104972
• a(n) = Sum_{k=0..n} ( Fibonacci(2*k-1) + (n-k)*Fibonacci(2*k) ).at n=11A141752
• a(n) = A216958(n)/2.at n=17A216959
• Decimal encoding T(n,k) of the k-th non-averaging permutation of [n]; triangle T(n,k), n >= 0, k = 1..A003407(n), read by rows.at n=30A292523
• Number of lucky numbers l between powers of 2, 2^n < l <= 2^(n+1).at n=19A309399
• Derangements of {1,2,...,n} (n >= 2) in lexicographic order.at n=32A320588