A090903 Let f(n) be formed by concatenation of first n numbers after the decimal point; a(n) = the n-th digit of 1/f(n) from the most significant side ignoring the decimal point.
1, 3, 3, 3, 4, 5, 5, 6, 7, 7, 0, 7, 6, 0, 3, 3, 6, 1, 3, 3, 0, 7, 3, 1, 9, 6, 7, 3, 8, 3, 4, 1, 6, 7, 8, 7, 7, 5, 3, 5, 8, 3, 6, 4, 7, 3, 4, 7, 8, 5, 7, 9, 7, 2, 2, 5, 2, 5, 0, 9, 8, 1, 9, 8, 1, 0, 0, 3, 9, 9, 9, 5, 4, 5, 1, 7, 3, 6, 1, 6, 0, 6, 8, 2, 9, 7, 2, 1, 7, 3, 5, 8, 9, 5, 7, 1, 2, 2, 2, 6, 1, 7, 7, 7, 1
Offset: 1
Examples
a(6) = 5, 1/0.123456 = 8.1000518403317781233799896319336... a(15) = 3, 1/0.123456789101112131415 = 8.1000000670760336133179300045884...
Extensions
More terms from David Wasserman, Feb 02 2006