159999

Appears in sequences

• Positive numbers which are one less than a perfect square that is also another power.at n=26A062965
• a(n) = smallest k such that 5k has a digit sum = n.at n=47A077492
• a(n) = n^4 - 1.at n=19A123865
• n^4 - 1 divided by its largest fourth power divisor.at n=18A128251
• Expansion of x*(1 + 2*x*(5 - 4*x)*(1 + x^2)*(1 + x^4))/((1 - x)*(1 - 10*x^9)).at n=42A302556
• a(n) is the smallest m such that for any N, at least one of S(N), S(N+1), ..., S(N+m-1) is divisible by n, where S(N) is the sum of digits of N.at n=43A331788
• a(n) is the smallest positive number m not yet in the sequence with the property that the sum of the even digits of m and the sum of the odd digits of m differ by n.at n=42A341011
• a(0) = 1; thereafter a(n) = 2*a(n-1) + 1, with digits rearranged into nondecreasing order.at n=27A346296
• Odd numbers that are one less than the square of a perfect power.at n=13A389956