47358

Appears in sequences

• Number of inequivalent (mod D_4) ways five checkers can be placed on an n X n board.at n=3A242358
• Number T(n,k) of involutions of [n] having exactly k peaks; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-1)/2)), read by rows.at n=56A303648
• Numerator of the barycenter of first n primes defined as a(n) = numerator(Sum_{i=1..n} (i*prime(i)) / Sum_{i=1..n} prime(i)).at n=40A306834