70300

Appears in sequences

• Sum of the first n even squares: a(n) = 2*n*(n+1)*(2*n+1)/3.at n=37A002492
• Binomial coefficients C(n,73).at n=3A017737
• Binomial coefficients C(76,n).at n=3A017792
• (prime(n)-5)(prime(n)-7)(prime(n)-9)/48.at n=34A030002
• Values of C(n,3) which can be written as C(x,3) + C(y,3).at n=4A034404
• 3-apexes of Omega: numbers k such that Omega(k-3) < Omega(k-2)< Omega(k-1) < Omega(k) > Omega(k+1) > Omega(k+2) > Omega(k+3), where Omega(m) = the number of prime factors of m, counting multiplicity.at n=17A076760
• Numbers n divisible by exactly three nontrivial permutations (rearrangements) of the digits of n.at n=10A090058
• Tetrahedral numbers n*(n+1)*(n+2)/6 with n, n+1 and n+2 nonprime.at n=21A152622
• a(n) = 10*a(n-1) + 90*a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=19 .at n=5A155017
• a(n) = binomial(3*n + 1,3).at n=24A228887
• a(n) = (p+1)*(p+2)*(p+3)/6 where p is the n-th prime.at n=20A271512