2087008
domain: N
Appears in sequences
- a(n) = Sum_{k = 0..n} binomial(n,k)*trinomial(n,k), where trinomial(n,k) = trinomial coefficients.at n=10A082759
- Records in A160256.at n=44A151545
- Numbers having n digits in base n+1, and equal to the determinant of a circulant matrix based on these digits.at n=27A303261
- Numbers equal to the determinant of a circulant matrix based on the base-8 digits of n.at n=34A303368