19184

Appears in sequences

• 3rd elementary symmetric function of C(n,0), C(n,1), ..., C(n,n).at n=4A025131
• Numbers k that divide the (right) concatenation of all numbers <= k written in base 5 (most significant digit on left).at n=22A029450
• a(n) = 16*(8*prime(n) + 7).at n=34A098823
• Number of partitions of n having depth 3; see Comments.at n=52A237978
• Number of partitions of n such that the number of odd parts is not a part and the number of even parts is not a part.at n=42A240579
• a(n) = prime(n+1)^2 - prime(n).at n=32A261465
• a(n) = 5 - 2^(n - 1) + 3^(n - 1) + n - 2.at n=9A290651
• Partial sums of A299287.at n=19A299288
• Number of nX3 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.at n=7A301664
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.at n=47A301669
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.at n=52A301669
• Expansion of 1/sqrt(1 - 4*x*(1+x)^4).at n=6A361813