29760

Appears in sequences

• Order of the group SL(2,Z_n).at n=30A000056
• a(n) = n*(n-1)*(n-2) (or n!/(n-3)!).at n=32A007531
• a(n) = floor( n*(n-1)*(n-2)*(n-3)/29 ).at n=32A011939
• Number of raw solutions to Hi-Q puzzle with n holes on a side, any initial peg removed, final peg in top hole.at n=4A056747
• Number of simple matroids on n labeled points.at n=5A058721
• Order of commutator subgroup of GL(2,Z_n) (invertible 2 X 2 matrices mod n: A000252).at n=30A065430
• a(n) = (2*n+2)*(2*n+3)*(2*n+4) = 24*A000330(n+1).at n=14A069074
• a(n) = the maximum number of lattice points touched by an origin-centered 4d-sphere with radius <= n.at n=36A071345
• Numbers k such that phi(k) = Sum_{d|k} core(d) where core(x) is the squarefree part of x (A007913).at n=16A074786
• Number of conjugacy classes in the group GL(3,Z_n).at n=30A086768
• a(n) = sigma_3(n) - sigma_1(n).at n=30A092348
• a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes.at n=26A103741
• a(3*n-2) = a(3*n-1) = a(3*n) = b(n), where b(1) = 1, b(2) = -2, b(3) = 0, and b(n+1) = -(m+1)*b(n) - (m-1)*(m-2)*b(n-1) - (m-3)*(m-4)*(m-5)*b(n-2) for m = 3*n.at n=20A123186
• a(3*n-2) = a(3*n-1) = a(3*n) = b(n), where b(1) = 1, b(2) = -2, b(3) = 0, and b(n+1) = -(m+1)*b(n) - (m-1)*(m-2)*b(n-1) - (m-3)*(m-4)*(m-5)*b(n-2) for m = 3*n.at n=19A123186
• a(3*n-2) = a(3*n-1) = a(3*n) = b(n), where b(1) = 1, b(2) = -2, b(3) = 0, and b(n+1) = -(m+1)*b(n) - (m-1)*(m-2)*b(n-1) - (m-3)*(m-4)*(m-5)*b(n-2) for m = 3*n.at n=18A123186
• Product of three numbers: n-th prime, previous number, and following number.at n=10A127917
• Records in A000118.at n=39A128690
• Regular coverings having dihedral voltage groups: see Kwak-Lee reference in A160870 for precise definition.at n=4A160877
• a(n) = ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 5.at n=7A160894
• Twin prime averages which are also the sum of the divisors of a triangular number.at n=23A166162