55918

Appears in sequences

• Numbers k such that sigma(k) = sigma(k+5).at n=19A015865
• 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, 0, 0), (-1, 1, 1), (0, -1, 1), (0, 1, -1), (1, 0, 1)}.at n=9A149449
• Number of length n+4 0..2 arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..2 introduced in 0..2 order.at n=7A244177
• T(n,k)=Number of length n+4 0..k arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..k introduced in 0..k order.at n=43A244185