59406

Appears in sequences

• Number of polyhexes of class PF2 (with one catafusene annealated to pyrene).at n=8A026106
• Numbers k which when sandwiched between two 6's give a multiple of k.at n=27A116441
• Dimension of 5-variable non-commutative harmonics (Hausdorff derivative). The dimension of the space of non-commutative polynomials in 5 variables which are killed by all symmetric differential operators (where for a monomial w, d_{xi} ( w ) = sum over all subwords of w deleting xi once).at n=7A122394
• Number of length n arrays x(i), i=1..n with x(i) in i..i+4 and no value appearing more than 2 times.at n=6A250347
• T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 2 times.at n=51A250351
• Number of length 7 arrays x(i), i=1..7 with x(i) in i..i+n and no value appearing more than 2 times.at n=3A250356
• Number of squarefree parts in the partitions of n into 8 parts.at n=48A309461
• a(n) is the smallest integer k > 2*n such that Product_{i=1..n} (k - i) has no prime factor p in n < p < 2*n.at n=42A386620