27777

Appears in sequences

• Smallest number containing n syllables in UK English.at n=15A002810
• Numbers having four 7's in base 10.at n=2A043520
• Smallest positive integer requiring n syllables to pronounce in American English.at n=14A045736
• Least multiple of prime(n) containing only prime digits (2,3,5,7).at n=44A113590
• a(n) = (4*n^3 - 6*n^2 + 8*n + 3)/3.at n=28A161712
• Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| + |y-w| < w+x+y.at n=33A213488
• Expansion of e.g.f. exp(Sum_{k>=1} x^(k^2)*(1 + x^(k^2))/k^2).at n=8A306831
• Number of vertex cuts in the n-web graph.at n=4A362521