OFFSET
1,2
COMMENTS
No integer ending in 9 is a member of the sequence (by definition).
LINKS
Carole Dubois, Table of n, a(n) for n = 1..20000
EXAMPLE
a(8) = 8 and 8 (the last digit) is < 9, this 9 being the first digit of a(9) = 90
a(9) = 90 and 0 (the last digit) is < 1, this 1 being the first digit of a(10) = 10
a(10) = 10 and 0 (the last digit) is < 1, this 1 being the first digit of a(11 = 11
a(11) = 11 and 1 (the last digit) is < 2, this 2 being the first digit of a(12) = 2; etc.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Eric Angelini and Carole Dubois, Jan 30 2020
STATUS
approved