82137

Appears in sequences

• Numbers whose square with its last digit deleted is also a square.at n=24A031149
• a(n) = floor(Li(2^n)), where Li(x) is the integral from 0 to x of dt/log(t).at n=19A089897
• Number of ways to place 4 nonattacking wazirs on a 4 X n board.at n=10A172230
• x-values in the solutions to x^2 - 10*y^2 = 9.at n=9A228209
• a(1) = a(3) = 0, and otherwise a(n) is the least multiple of prime(n) whose decimal representation ends with that of prime(n+1).at n=31A333845