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A048446
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Concatenation of first n numbers in base 15.
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15
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1, 17, 258, 3874, 58115, 871731, 13075972, 196139588, 2942093829, 44131407445, 661971111686, 9929566675302, 148943500129543, 2234152501943159, 502684312937210790, 113103970410872427766, 25448393342446296247367
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| a(14) = 1 2 3 4 5 6 7 8 9 A B C D E = 2234152501943159
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MATHEMATICA
| If[STARTPOINT==1, n={}, n=Flatten[IntegerDigits[Range[STARTPOINT-1], 15]]]; Table[AppendTo[n, IntegerDigits[w, 15]]; n=Flatten[n]; FromDigits[n, 15], {w, STARTPOINT, ENDPOINT}] [From Dylan Hamilton (Phalarisbull(AT)gmail.com), Aug 11 2010]
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CROSSREFS
| Cf. A047778, A007908, A014898.
Concatenation of first n numbers in other bases: 2: A047778, 3: A048435, 4: A048436, 5: A048437, 6: A048438, 7: A048439, 8: A048440, 9: A048441, 10: A007908, 11: A048442, 12: A048443, 13: A048444, 14: A048445, 15: this sequence, 16: A048447 [From Dylan Hamilton (Phalarisbull(AT)gmail.com), Aug 11 2010]
Sequence in context: A174408 A193329 A014898 * A001282 A135214 A090380
Adjacent sequences: A048443 A048444 A048445 * A048447 A048448 A048449
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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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