104153

Appears in sequences

• Positive numbers k such that k and 3*k are anagrams in base 8 (written in base 8).at n=17A023074
• 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=13A143192
• G.f.: A(x) = exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(n*k)) ).at n=27A218153
• Discriminants of totally real cubic fields in which every norm-positive unit is totally positive.at n=18A329769