28386

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,25.at n=10A064249
• Trajectory of 537 under the Reverse and Add! operation carried out in base 2, written in base 10.at n=7A077076
• a(n) = (5*n+1)*(5*n+6).at n=33A085025
• 47-gonal numbers.at n=35A095311
• Expansion of a(q)^2 * (b(q) * c(q) / 3)^3 in powers of q where a(), b(), c() are cubic AGM theta functions.at n=16A136747
• Triangle read by rows: T(n,k) (n >= 5, 4 <= k <= n-1) = number of lattice 3-polytopes of width larger than 1, size n, and k vertices.at n=37A319958
• Number of compositions of n where neighboring runs have different lengths.at n=20A335443
• a(1) = 1; a(n) = a(n-1) + Sum_{k=2..n} a(floor(n/k)).at n=47A351620