59131

Appears in sequences

• Sums of distinct powers of 9.at n=37A033046
• Positive numbers having the same set of digits in base 2 and base 9.at n=32A037414
• Sums of 3 distinct powers of 9.at n=11A038488
• Total number of left truncatable primes (without zeros) in base n.at n=19A076623
• Smallest positive multiple of n whose base 9 representation contains only 0's and 1's.at n=28A244960
• The number of permutations in S_n for which the number of reduced words is minimized with respect to the numbers of braid and commutation classes: |R(w)| = |B(w)| + |C(w)| - 1.at n=10A290954
• a(n) = a(n-1) + a(n-2) + a([n/3]) + a([2n/3]), where a(0) = 1, a(1) = 2, a(2) = 3.at n=18A298345
• a(n) = 1 + Max_{0<=i<=j<=k; i+j+k=n-1} a(i)*a(j)*a(k) for n>0, with a(0) = 1.at n=22A336631