710640

Appears in sequences

• Numbers that are the sum of 9 positive 11th powers.at n=35A004820
• Number of length-n 0..7 arrays connected end-around, with no sequence of L<n elements immediately followed by itself (periodic "squarefree").at n=6A215227
• Number of length-7 0..k arrays connected end-around, with no sequence of L<n elements immediately followed by itself (periodic "squarefree").at n=6A215230
• a(n) is the index of the smallest n-gonal number divisible by exactly n n-gonal numbers.at n=16A358058
• Triangle read by rows: T(n,k) = Sum_{j=0..2k} (-1)^j * binomial(2k,j) * (1+k-j)^(2n).at n=18A392337