22146

Appears in sequences

• Number of triples {i,j,k}, i>1, j>1, k>1, such that i*j*k < n^3.at n=16A037092
• Numbers having four 3's in base 9.at n=17A043468
• Numbers whose base-3 representation has exactly 10 runs.at n=2A043590
• Numbers n such that number of runs in the base 3 representation of n is congruent to 1 mod 9.at n=20A043807
• Numbers n such that number of runs in the base 3 representation of n is congruent to 0 mod 10.at n=2A043815
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,5.at n=34A064239
• Partial sums of A050508.at n=34A178129
• Number of distinct solutions of sum{i=1..4}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.at n=8A180796
• Number of sequences of n integers p(i) i=0..n-1 with 0<=p(i)<=3*i and -3<p(i)-p(i-1)<=3.at n=6A180908
• T(n,k)=number of sequences of n integers p(i) i=0..n-1 0<=p(i)<=k*i and -k<p(i+1)-p(i)<=k.at n=42A180915
• The 360 degree spoke (or ray) of a hexagonal spiral of Ulam.at n=43A244803
• a(n) = Sum_{k=0..n} binomial(n+6*k,k).at n=4A390386