
EXAMPLE

a(1)=178 is the smallest number that is a 3digit palindrome in three consecutive integer bases: 178 = 454_6 = 343_7 = 262_8.
a(2)=154593982 is the smallest number that is a 5digit palindrome in three consecutive integer bases: 154593982 = (37,31,22,31,37)_45 = (34,24,11,24,34)_46 = (31,32,0,32,31)_47.
a(3)=3360633 is the smallest number that is a 7digit palindrome in three consecutive integer bases: 3360633 = 6281826_9 = 3360633_10 = 1995991_11.
