34463

Appears in sequences

• Distinct odd elements in the 5-Pascal triangle A028313.at n=37A028319
• Odd elements to the right of the central elements of the 5-Pascal triangle A028313.at n=48A028325
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 19 ones.at n=30A031787
• Number of ways to partition an n X 4 grid into 2 connected equal-area regions.at n=8A167247
• Square array read by antidiagonals: T(n,m) = number of ways to partition an nXm grid into 2 connected equal-area regions.at n=69A167279
• a(n) gives the A-sequence for the Riordan matrix (1/(1 + x^2 - x^3), x/(1 + x^2 - x^3)) from A321196.at n=17A321197
• a(n) = Sum_{k=0..floor(n/4)} (n-3*k+1) * binomial(n-3*k,k)^2.at n=16A376735