6272000

Appears in sequences

• Triangle of numbers related to the spectrum of the hydrogen (H) atom.at n=28A119937
• First column (n=1) of triangle A119937.at n=7A119940
• a(n) = the numerator of b(n): {b(n)} is such that the continued fraction (of rational terms) [b(1);b(2),...,b(n)] equals the n-th prime, for every positive integer n.at n=43A128270