28511

Appears in sequences

• a(n) = T(0,n) + T(1,n-1) + ... + T(n,0), array T given by A048471.at n=9A036550
• Fifth column of triangle A028364.at n=6A067296
• Prime(n)*prime(2*n)+prime(n)+prime(2*n).at n=27A072672
• Numbers k such that prime(k) + prime(k+1) + prime(k+2) is a square.at n=29A076305
• Numbers k such that k and k^2 use only the digits 1, 2, 5, 7 and 8.at n=10A137008
• a(n) = 22*n^2 - 1.at n=35A158540
• Odd numbers n such that the sum of the binary digits of n and n^2 both equal 12.at n=35A261593
• Partial sums of A294016.at n=49A294017
• Indices where prime(n) first appears in A373902.at n=40A371618