315000000

Appears in sequences

• Sum of digits of numbers between 0 and (10^n)-1.at n=7A034967
• a(n) = (5*n+10)(!^5)/10(!^5), related to A052562 ((5*n)(!^5) quintic, or 5-factorials).at n=6A051691
• Expansion of e.g.f. (1-x)/(1-5*x).at n=7A052675
• Base-10 complementary numbers: n equals the product of the 10's complement of its digits.at n=29A294090