29647

Appears in sequences

• Numbers k that divide s(k), where s(1)=1, s(j)=23*s(j-1)+j.at n=9A014874
• Base-8 palindromes that start with 7.at n=33A043027
• a(1)=1, then "jump over next square": a(n) = 2*(a(n-1)+1)^2-a(n-1).at n=3A074487
• Pyramid game person numbers that have integer solutions.at n=30A135051
• Number of (n+1) X 3 0..3 arrays with every 2 X 2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.at n=2A210398
• Number of (n+1)X4 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.at n=1A210399
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.at n=7A210404
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order.at n=8A210404
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2*w^2 < x^2 + y^2.at n=37A211800
• Smallest zeroless number x such that x^n has exactly n zero digits.at n=23A233821
• Least number k not divisible by 10 such that k^n contains n zeros.at n=24A241495
• Semiprimes whose binary and ternary representations are prime when read in decimal.at n=34A279052
• Expansion of 1 / ((1-x)^2*(1-x^2)*(1-x^3)*...*(1-x^8)).at n=34A288343
• a(n) = n! * [x^n] exp(exp(x) - 1)/(1 - x)^n.at n=5A305051