45510

Appears in sequences

• a(n) = Sum_{k = 1..n} T(k,k-1), where T is the array defined in A024996.at n=11A026079
• Number of binary words of length n containing no subword 11011.at n=16A210021
• Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most four elements.at n=13A276720
• Number T(n,k) of binary words of length n containing exactly k (possibly overlapping) occurrences of the subword 11011; triangle T(n,k), n>=0, k=0..max(0,floor((n-2)/3)), read by rows.at n=42A277678
• a(n) = 27*n^2 - 51*n + 24, n>=1.at n=41A304836