203775

Appears in sequences

• a(n) = Sum_{k=0..floor(n/2)} A027144(n-k, k).at n=21A027154
• Triangle read by rows in which T(n,k) is the number of permutations avoiding 132 of length n with an independent set of size k in its coregraph.at n=69A262370
• a(n) is the least number k such that A246600(k) = n, and -1 if no such k exists.at n=34A359081
• Indices of records in A246600.at n=10A359082