77045

Appears in sequences

• Number of character table entries of the symmetric group S_n which are > 0.at n=18A051749
• Numbers n such that phi(n-1) + phi(n+1) = phi(2n).at n=21A067701
• a(n) = 23 + floor( 1 + Sum_{j=1..n-1} a(j)/2 ).at n=20A120147
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (1, -1, 1), (1, 0, 0), (1, 1, -1)}.at n=11A148203
• Number of Motzkin excursions of length n with an odd number of humps and an even number of peaks.at n=15A325924