71526

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 = 1,2,51.at n=20A064262
• The number of n-almost primes less than or equal to e^n, starting with a(0)=1.at n=31A116432
• Number of length 1+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=40A248462