89964

Appears in sequences

• Number of spanning trees in S_4 X P_n.at n=3A003755
• a(n) = 10*n^3 - 6*n^2.at n=21A006592
• Nonprime numbers k such that k | sigma_3(k) + phi(k)^3.at n=21A055970
• Composite numbers k such that k - phi(k) divides sigma(k) - k.at n=18A068418
• Composite n such that n reduced mod(phi(n)) = sigma(n) reduced mod(n).at n=17A068495
• Integer quotient defining A068418 is 3.at n=8A069737
• Number of partitions of 2n in which both odd parts and parts that are multiples of 3 occur with even multiplicities. There is no restriction on the other even parts.at n=32A101230
• Nonsquare numbers whose sum of proper square divisors is a square greater than 1.at n=30A232555
• Numbers whose sum of proper square divisors is a square greater than 1.at n=35A232556
• Numbers n such that A = n + digitsum(n) is divisible by the highest power of 10 <= A.at n=35A242799