26617

Appears in sequences

• Engel expansion of 1 + Sum_{k>=1} 1/k^k.at n=10A063194
• 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=31A143192