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Search: id:A098211
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| A098211 |
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Start with the first n, which means: "Prolong the sequence with n digits, all having their parity opposite to that of n". Then read and obey the second n, then the third n, etc. The digits produced by the rule are concatenated so to build the slowest increasing sequence. |
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+0
1
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| 1, 2, 3, 5, 6, 8, 20, 22, 24, 31, 33, 35, 37, 39, 51, 53, 55, 57, 59, 71, 73, 75, 77, 79, 91, 111, 113, 115, 117, 119, 131, 133, 135, 137, 139, 151, 153, 155, 157, 159, 171, 200, 202, 204, 206, 208, 220, 222, 224, 226, 228, 240, 242, 244, 246, 248, 260, 262, 264
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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The first term, "1", means: "Add 1 even digit to the sequence" - thus we write "2". We must now read and obey this "2": "Add 2 odd digits to the sequence" - thus we write 3 and 5. We will then write 3 even digits, followed by 5 even digits (altogether 8 even digits which will be concatenated, if necessary, thus "6 to "24", etc.
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CROSSREFS
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Sequence in context: A088497 A088485 A128994 this_sequence A073673 A118809 A121048
Adjacent sequences: A098208 A098209 A098210 this_sequence A098212 A098213 A098214
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KEYWORD
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base,easy,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Oct 25 2004
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