100212
domain: N
Appears in sequences
- Positive numbers k such that k and 2*k are anagrams of each other in base 3 (k is written here in base 3).at n=8A023058
- Index of first occurrence of n in A165633.at n=38A165765
- Digitally balanced numbers: ternary numbers which have the same number of 0's as 1's as 2's.at n=5A181986
- Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having three, four, five, six or eight distinct values for every i,j,k<=n.at n=9A211592