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Search: id:A063431
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| A063431 |
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Square array read by antidiagonals of n written in base k (n,k>0). |
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+0
2
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| 1, 1, 11, 1, 10, 111, 1, 2, 11, 1111, 1, 2, 10, 100, 11111, 1, 2, 3, 11, 101, 111111, 1, 2, 3, 10, 12, 110, 1111111, 1, 2, 3, 4, 11, 20, 111, 11111111, 1, 2, 3, 4, 10, 12, 21, 1000, 111111111, 1, 2, 3, 4, 5, 11, 13, 22, 1001, 1111111111, 1, 2, 3, 4, 5, 10, 12, 20, 100
(list; table; graph; listen)
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OFFSET
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1,3
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COMMENT
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It is difficult to write ten in base 11 using decimal digits.
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EXAMPLE
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Rows start (1, 1, 1, 1, 1,...), (11, 10, 2, 2, 2,...), (111, 11, 10, 3, 3,...), (1111, 100, 11, 10, 4,...), etc.
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CROSSREFS
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Cf. A063432. Rows start effectively as the reverse of A001731, A001732, A001733, A001734, A001735, A001736, A008707, A008708, A008709, A008710, A008711, A008712, A008713, A008714, A008715, A008716, A008717 etc. Columns are A000042, A007088, A007089, A007090, A007091, A007092, A007093, A007094, A007095, A000027 and perhaps A055649 etc.
Sequence in context: A086320 A095193 A010201 this_sequence A038585 A083768 A040131
Adjacent sequences: A063428 A063429 A063430 this_sequence A063432 A063433 A063434
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KEYWORD
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base,nonn,tabl
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Jul 20 2001
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