23897

Appears in sequences

• Numbers k such that 216*k+108 is a term of A097703 and A007494 and A098240.at n=23A098241
• a(n) = Sum_{m=1..n} gcd(s(n,m), S(n,m)), where s(n,m) is an unsigned Stirling number of the first kind and S(n,m) is a Stirling number of the second kind.at n=13A128266
• Number of partitions p of n such that (number of even numbers in p) >= 2*(number of odd numbers in p).at n=49A241644
• Number of length n+2 0..6 arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=10A248431
• a(0) = 1; a(n) = Sum_{k=0..floor((n-1)/3)} binomial(n-2*k-1,k) * a(k).at n=26A352042