594320

Appears in sequences

• Expansion of (1-4*x)^(3/2) in powers of x.at n=15A002421
• Number of extended Skolem sequences of order n.at n=10A004077
• Number of distinct perforation patterns for deriving (v,b) = (n+2,n) punctured convolutional codes from (2,1).at n=11A007223
• a(n) = Sum_{k=0..floor((n-1)/2)} T(n,k) * T(n,k+1), with T given by A008315.at n=11A027302
• Expansion of (A(x)^2 - A(x^2))/2 where A(x) = A000108(x) - 1.at n=13A275206
• a(n) is the smallest number with exactly n divisors that are centered triangular numbers.at n=10A358544