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Search: id:A093850
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| A093850 |
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n-th row of the following triangle contains n uniformly located n-digit numbers. i.e. n terms of an arithmetic progression with 10^(n-1)-1 as the term preceding the first term and (n+1)-th term is the largest possible n-digit term. The r-th term of the n-th row is given by 10^(n-1)-1 + (r)*Floor[9*(10^(n-1)/(n+1)] 4 39 69 324 549 774 2799 4599 6399 8199 ... Sequence contains the triangle by rows. ... |
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2
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OFFSET
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1,1
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COMMENT
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the n-th row of this triangle can be obtained by deleting the least significant digit (9) from the (n+1)-th row of the triangle pertaining to A093846 ignoring the last term ( 10^(n+1) -1).
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EXAMPLE
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n-th row of the following triangle contains n uniformly located n-digit numbers. i.e. n terms of an arithmetic progression with 10^(n-1)-1 as the term preceding the first term and (n+1)-th term is the largest possible n-digit term.
The r-th term of the n-th row is given by
10^(n-1)-1 + (r)*Floor[9*(10^(n-1)/(n+1)]
4
39 69
324 549 774
2799 4599 6399 8199
...
Sequence contains the triangle by rows.
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CROSSREFS
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Cf. A093846, A093847, A061772, A093451, A093552.
Sequence in context: A018860 A016484 A106127 this_sequence A024212 A006408 A112460
Adjacent sequences: A093847 A093848 A093849 this_sequence A093851 A093852 A093853
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KEYWORD
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base,easy,more,nonn,tabl,uned
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 18 2004
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