12222222

Appears in sequences

• Number of nodes on a tree with degree 11 interior nodes and degree 1 boundary nodes.at n=7A090843
• Expansion of g.f. x*(1+11*x+x^2)/((1-x)*(1+x)*(1-10*x^2)).at n=15A094624
• Expansion of x*(1+x)/((1-x)*(1-10*x^2)).at n=15A094626
• List of pairs (n,m) with n < m such that the decimal expansion of m is a cyclic shift of that of n and m^2 is a cyclic shift of n^2.at n=20A134514
• First elements of the pairs listed in A134514.at n=10A134584
• Let f(m) put the leftmost digit of the positive integer m at its end; a(n) is the sequence of all positive integers m with f^2(m)=f(m^2).at n=9A245584