71040

Appears in sequences

• a(n) is least k such that k and 8k are anagrams in base n (written in base 10).at n=22A023100
• Number of nonnegative solutions of x1^2 + x2^2 + ... + x10^2 = n.at n=31A045852
• Numbers k such that sigma(prime(k) - 1) == 0 (mod k).at n=40A067758
• Numbers with prime factorization pqrs^7.at n=16A190473
• Numbers k such that k = Product (p_j^e_j) = Product (p_j*(e_j + 1)).at n=20A304410
• a(n) = (8*n^3 + 15*n^2 + 13*n)/6.at n=37A332698
• Pisano period of Hexanacci numbers (A001592) mod n.at n=30A381508