50260

Appears in sequences

• Length of list created by n substitutions k -> Range( -abs(k+1), abs(k-1), 2) starting with {1}.at n=11A084075
• Least K such that K*(3^(n+j))+1 is prime for j=0 to 4.at n=7A109854
• Triangle, read by rows, defined by T(n,k) = T(n-1,k) + T(n,k-1) for nk>0, where T(n,0) = T(n-1,0) + T(n-1,n-1) and T(n,n) = T(n,n-1) for n>0 with T(0,0)=1.at n=46A129577
• Members of a pair (m,k) such that sigma(m) = sigma(k) = sigma(m+k), m < k where sigma = A000203.at n=22A239436
• T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.at n=28A249001
• Number of length 1+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two.at n=7A249002
• Numbers x such that sigma(x) = sigma(y), with x<>y, where y is the 10's complement mod 10 of the digits of x.at n=19A300447