OFFSET
1,1
COMMENTS
Start with decimal expansion of e: 2.71828182845904523536028747135266249775724709369995957496696... Part the sequence to the sections with distinct digits: s={2,7,1,8},{2,8,1},{8,2},{8,4,5,9,0},{4,5,2,3},{5,3,6,0,2,8,7,4}, {7,1,3,5,2,6},... Numbers from digits of s(n), leaving leading zeros: 2718,281,82,84590,4523,53602874,713526,... Leaving leading zeros as at first: a(34) = 3059 from {0,3,0,5,9}, and a(39) = 3 from {0,3}, ...
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jani Melik, Nov 13 2009
STATUS
approved