28862

Appears in sequences

• a(n) = 1 + (26*n+17+7*n^2)*n/2.at n=19A095796
• a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6, n+7 and the operators +, -, *, /, using each number only once.at n=4A143192
• a(n) = n^3 - 4*n^2 + 6*n - 2.at n=29A188377
• Numbers n such that the difference between the greatest prime divisor of n^2 + 1 and the sum of the other distinct prime divisors is equal to +-1.at n=10A244194