id:A155893 - OEIS Search Results

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Least positive integer such that a(n)! starts with n, both written in base 8.

+0
2

1, 2, 4, 16, 13, 3, 46, 27, 7, 14, 6, 32, 10, 39, 5, 20, 86, 50, 11, 26, 121, 18, 38, 4, 31, 199, 34, 12, 139, 28, 63, 62, 61, 67, 60, 125, 59, 16, 37, 58, 47, 108, 23, 21, 41, 13, 112, 71, 194, 56, 25, 30, 302, 19, 166, 46, 55, 150, 83, 116, 219, 73, 90, 140, 164, 54, 207 (list; graph; listen)

	OFFSET	`1,2`
	PROGRAM	`(PARI) A155893(n)={ local( F=1, k=1 ); while( F\1!=n, F*=k++; while( F>=n+1, F/=8 )); k}`
	CROSSREFS	`Cf. A155891, A155892, A018799, A076219.` `Sequence in context: A153666 A098819 A067846 this_sequence A135569 A131560 A067709` `Adjacent sequences: A155890 A155891 A155892 this_sequence A155894 A155895 A155896`
	KEYWORD	`base,nonn`
	AUTHOR	`M. F. Hasler (Maximilian.Hasler(AT)gmail.com), Feb 01 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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