98100

Appears in sequences

• Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^12 = I.at n=16A166467
• a(n) = 109*n^2.at n=30A174339
• Number of arrangements of 3 nonzero numbers x(i) in -n..n with the sum of trunc(x(i)/x(i+1)) equal to zero.at n=39A189546
• Primitive numbers that are the sum of the squares of two of their distinct divisors.at n=28A338485
• a(n) is the number of large or small squares that are used to tile primitive squares of type 1 whose length of side is A344333(n).at n=26A344334
• a(n) is the number of large or small squares that are used to tile primary squares of type 1 (see A344331) whose side length is A345285(n).at n=34A345286