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A019553
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n followed by 5n.
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0
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15, 210, 315, 420, 525, 630, 735, 840, 945, 1050, 1155, 1260, 1365, 1470, 1575, 1680, 1785, 1890, 1995, 20100, 21105, 22110, 23115, 24120, 25125, 26130, 27135, 28140, 29145, 30150, 31155, 32160, 33165, 34170, 35175, 36180, 37185, 38190, 39195, 40200
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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REFERENCES
| Sylvester Smith, "A Set of Conjectures on Smarandache Sequences", Bulletin of Pure and Applied Sciences, (Bombay, India), Vol. 15 E (No. 1), 1996, pp. 101-107.
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LINKS
| M. L. Perez et al., eds., Smarandache Notions Journal
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FORMULA
| a(n)=n*10^floor[log10(5*n)+1]+5*n, with n>=1 [From Paolo P. Lava (paoloplava(AT)gmail.com), Mar 24 2010]
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CROSSREFS
| Sequence in context: A028230 A122572 A067560 * A112496 A000483 A162785
Adjacent sequences: A019550 A019551 A019552 * A019554 A019555 A019556
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KEYWORD
| nonn,base
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AUTHOR
| R. Muller
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