204776

Appears in sequences

• Binomial transform of [1, 25, 25, 25, ...].at n=13A139698
• Number T(n,k) of endofunctions f on [n] that are self-inverse on [k] but not on [k+1]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=39A245692