152490

Appears in sequences

• Largest possible z-value of an integer solution (x,y,z) to 4/n = 1/x + 1/y + 1/z satisfying 0 < x < y < z. The x and y components are in A075245 and A075246.at n=36A075247
• The smallest pronic (A002378) that contains the digits of n in its exact middle.at n=24A163597
• z-value of the lexicographically first solution (x,y,z) of 4/n = 1/x + 1/y + 1/z with 0 < x < y < z all integers, or 0 if there is no such solution. Corresponding x and y values are in A257839 and A257840.at n=38A257841
• Transpose of square array A277810.at n=50A277809
• Square array A(r,c) = A019565(A277820(r,c)), read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.at n=49A277810
• For m to be a term there must exist three Euclidean divisions of m by d, d', and d", m = d*q + r = d'*q' + r' = d"*q" + r", such that (r, q, d), (r', d', q'), and (q", r", d") are three geometric progressions.at n=9A335272
• Oblong numbers which are products of six distinct primes.at n=4A359127
• Products of 6 distinct primes that are sandwiched between semiprime numbers.at n=14A378627