45443

Appears in sequences

• Crystal ball sequence for hexagonal close-packing.at n=23A007202
• Diagonal sums of binomial-Möbius product.at n=15A101510
• Number of compositions such that the number of parts is divisible by the first part.at n=16A168655
• a(n) is the largest k in an n_nacci(k) sequence (Fibonacci(k) for n=2, tribonacci(k) for n=3, etc.) such that n_nacci(k) >= 2^(k-n-1).at n=13A202805
• G.f.: Sum_{n>=0} x^n/(1 - x*(1+x)^(n+1)).at n=12A340776