27748

Appears in sequences

• Convolution of odd primes with themselves.at n=23A084370
• Admirable Harshad numbers n such that the subtracted divisor is equal to the digital sum of n.at n=14A111948
• n^3+Smallest square, (Smallest square >= n^3).at n=24A176581
• Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero.at n=26A208598
• a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = Bell(i+j).at n=3A278842
• Positions of 0's in A330314.at n=37A330325
• A343182(n) converted from base 2 to base 10.at n=3A343183
• Indices of 0 in A348295: numbers m such that Sum_{k=1..m} (-1)^(floor(k*(sqrt(2)-1))) = Sum_{k=1..m} (-1)^A097508(k) = 0.at n=35A348299
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of cluster density function for site percolation on an n X n 2D square lattice with open boundary conditions.at n=26A365946