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A061196 If n=sum(c_i*10^i) then let b(n)=sum(c_i*(i+1)). Order the integers by b(n) and then n. +0
1
0, 1, 2, 10, 3, 11, 100, 4, 12, 20, 101, 1000, 5, 13, 21, 102, 110, 1001, 10000, 6, 14, 22, 30, 103, 111, 200, 1002, 1010, 10001, 100000, 7, 15, 23, 31, 104, 112, 120, 201, 1003, 1011, 1100, 10002, 10010, 100001, 1000000, 8, 16, 24, 32, 40, 105, 113, 121, 202 (list; graph; listen)
OFFSET

0,3

COMMENT

This is in effect a listing of single digit (nonnegative) solutions to b+2c+3d+4e+...=k.

CROSSREFS

For n<10, a(A000070(n))=n+1 and a(A026905(n))=10^(n-1). Cf. A000041, A028897.

Adjacent sequences: A061193 A061194 A061195 this_sequence A061197 A061198 A061199

Sequence in context: A010700 A121521 A060466 this_sequence A120862 A102512 A029673

KEYWORD

nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Apr 20 2001

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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