47871

Appears in sequences

• Numbers k that divide the (right) concatenation of all numbers <= k written in base 3 (most significant digit on left).at n=37A029448
• Shifts left 3 places under "AIJ" (ordered, indistinct, labeled) transform.at n=9A032036
• Lesser of two consecutive numbers each divisible by a fifth power.at n=13A068783
• a(1)=0, a(1)=1, a(n+2)=abs(concatenate(a(n+1)a(n))-concatenate(a(n)a(n+1))).at n=5A070823
• Decimal number representations of hexadecimal numbers whose form spells an American-English word found in a standard dictionary in lexicographic order.at n=16A132675
• Decimal number representations of hexadecimal numbers whose form spells an American-English word found in a standard dictionary in numerical order.at n=26A132676
• Expansion of (1+x) / (1-2*x-5*x^2+2*x^3).at n=9A384673
• G.f. A(x) satisfies A(x)/(1 + A(x)) = -A(x^3)/A(-x^2).at n=21A389429