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Search: id:A107070
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| A107070 |
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Numbers n with the following property. Suppose n = d1 d2 ... dk in base 10. Construct the sequence with first term d1 and successive differences d1 d2 ... dk d1 d2 ... dk d1 d2 ...; then this sequence has as its initial k digits d1 d2 ... dk and also contains the number n. |
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+0
2
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OFFSET
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1,1
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LINKS
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E. Angelini, Eric numbers.
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EXAMPLE
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The following example shows why 61 is a member:
6.12.13.19.20.26.27.33.34.40.41.47.48.54.55.61... (sequence)
.6..1..6..1..6..1..6..1..6..1..6..1..6..1..6... (first differences)
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CROSSREFS
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Cf. A106039, A106439, A106518, A106596, A106631, A106792, A107014, A107018, A107032, A107043, A107062.
Sequence in context: A064229 A039478 A109549 this_sequence A139944 A033236 A141457
Adjacent sequences: A107067 A107068 A107069 this_sequence A107071 A107072 A107073
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KEYWORD
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base,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), Jun 07 2005
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