22035

Appears in sequences

• Partial sums of A001935; at one time this was conjectured to agree with A007478.at n=37A014605
• Let M denote the 6 X 6 matrix with rows /1,1,1,1,1,1/1,1,1,1,1,0/1,1,1,1,0,0/1,1,1,0,0,0/1,1,0,0,0,0/1,0,0,0,0,0/ and A(n) the vector (x(n),y(n),z(n),t(n),u(n),v(n)) = M^n*A where A is the vector (1,1,1,1,1,1); then a(n) = z(n).at n=7A069008
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x<3*y*z.at n=13A211917
• Number of (n+2) X (3+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and in every diagonal and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=12A252690
• Numbers n such that the Collatz iterations for n and n + 1 have the same length (A078417) but do not meet a certain condition. (See comments.)at n=37A274410
• Number of palindromic compositions of n into nonprime numbers.at n=48A276421