22182

Appears in sequences

• Numbers whose base-3 representation has exactly 10 runs.at n=14A043590
• Numbers n such that number of runs in the base 3 representation of n is congruent to 1 mod 9.at n=32A043807
• Numbers n such that number of runs in the base 3 representation of n is congruent to 0 mod 10.at n=14A043815
• Numbers whose base-4 representation contains exactly four 1's and four 2's.at n=3A045109
• Number of primitive (period n) bracelets using exactly three different colored beads.at n=11A056349
• Numbers k > 1 such that, in base 6, k and k^2 contain the same digits in the same proportion.at n=7A061660
• Leading term of n-th row of A081491.at n=41A081490
• Composite numbers k that are Smith numbers in a record number of bases 1 < b <= k.at n=24A337294
• Number of grains of sand required to be added to one cell at the origin in an initially empty and infinite 3D cubic grid for the 3D sandpile model such that the distance from the origin of the furthest nonempty cell along the axes is n.at n=12A351783
• Number of partitions of n with exactly four part sizes.at n=36A365630
• Expansion of g.f. A(x) satisfying A( 2*x^2/(1-2*x)^2 ) = 2*A(x)^2.at n=8A371712
• a(n) = Sum_{j=1..n} Sum_{k=1..n} phi(n*j*k) / phi(n*k).at n=35A372669
• Expansion of 1/(g * (2-g))^3, where g = 1+x*g^3 is the g.f. of A001764.at n=7A391219