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A048437
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Concatenation of first n numbers in base 5.
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16
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1, 7, 38, 194, 4855, 121381, 3034532, 75863308, 1896582709, 47414567735, 1185364193386, 29634104834662, 740852620866563, 18521315521664089, 463032888041602240, 11575822201040056016, 289395555026001400417
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| a(7) = 1 2 3 4 10 11 12 = 3034532
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MATHEMATICA
| If[STARTPOINT==1, n={}, n=Flatten[IntegerDigits[Range[STARTPOINT-1], 5]]]; Table[AppendTo[n, IntegerDigits[w, 5]]; n=Flatten[n]; FromDigits[n, 5], {w, STARTPOINT, ENDPOINT}] [From Dylan Hamilton (Phalarisbull(AT)gmail.com), Aug 11 2010]
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CROSSREFS
| Cf. A047778, A007908, A014827.
Concatenation of first n numbers in other bases: 2: A047778, 3: A048435, 4: A048436, 5: this sequence, 6: A048438, 7: A048439, 8: A048440, 9: A048441, 10: A007908, 11: A048442, 12: A048443, 13: A048444, 14: A048445, 15: A048446, 16: A048447 [From Dylan Hamilton (Phalarisbull(AT)gmail.com), Aug 11 2010]
Sequence in context: A055146 A014827 A141845 * A099461 A104553 A027241
Adjacent sequences: A048434 A048435 A048436 * A048438 A048439 A048440
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KEYWORD
| nonn,base
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), May 15 1999.
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