27729

Appears in sequences

• Numbers k that divide s(k), where s(1)=1, s(j)=13*s(j-1)+j.at n=32A014861
• a(n) = T(2n-1,n), where T is the array in A026323.at n=6A026331
• Numbers k that divide 7^k + 2^k.at n=39A045580
• Numbers k that divide 7^k + 5^k.at n=30A045596
• Digits d in decimal expansion of n replaced with d^3.at n=39A048390
• a(n) is the decimal concatenation of n and n^2.at n=26A053061
• a(n) = floor(n^(3/2))*floor(3+n^(3/2))/2.at n=37A185593
• Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero with no three beads in a row equal.at n=26A208946
• a(1) = 2, a(n) = smallest number > a(n-1) such that the concatenation of a(n-1) and a(n) is a square.at n=6A265147
• a(n) = Sum_{k=0..floor(n/4)} binomial(n-3*k-1,k) * binomial(k,n-4*k).at n=37A383584
• Consecutive states of the linear congruential pseudo-random number generator 259*s mod 2^15 when started at s=1.at n=4A384194
• Consecutive states of the linear congruential pseudo-random number generator 172*s mod 30307 when started at s=1.at n=30A385032