1038961

Appears in sequences

• Smallest n-digit triangular numbers with property that digits alternate in parity, or 0 if no such number exists.at n=6A068883
• Triangular numbers which are sums of three consecutive primes.at n=26A167788
• Integers x with h+1 digits that have the property that there exists an integer k, with x <= k < 2*x, such that k/x = 1 + (x-10^h)/(10^h-1), i.e., the same digits appear in the denominator and in the recurring decimal.at n=28A288781
• Each term of A003215 (centered hexagonal numbers) is multiplied by the corresponding term of A003154 (centered dodecagonal numbers).at n=15A338795
• a(n) is the least positive number k that can be written in exactly k ways as (x*y+1)*(x*z+1) with x > y > z > 1.at n=14A345215