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A102695
Making the absolute difference between the last two digits of a(n) gives the n-t h digit of the sequence; a(n) < a(n+1).
0
10, 11, 12, 21, 23, 24, 31, 32, 35, 36, 42, 48, 52, 54, 58, 64, 69, 72, 74, 82, 84, 86, 95, 119, 127, 135, 149, 159, 194, 219, 228, 237, 239, 309, 318, 320, 329, 337, 380, 402, 408, 415, 419, 428, 490, 494, 498, 501, 509, 510, 513, 518, 521, 525, 527
OFFSET
1,1
EXAMPLE
For n=1, a(n)=10; (1-0)=1 thus 1 is the first digit of sequence.
For n=2, a(n)=11; (1-1)=0 thus 0 is the 2nd digit of sequence.
For n=3, a(n)=12; (2-1)=1 thus 1 is the 3rd digit of sequence.
For n=4, a(n)=21; (2-1)=1 thus 1 is the 4th digit of sequence.
CROSSREFS
Sequence in context: A112654 A362987 A235828 * A376314 A252481 A308854
KEYWORD
base,easy,nonn
AUTHOR
Eric Angelini, Feb 04 2005
STATUS
approved