id:A134586 - OEIS Search Results

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a(n) = a(n-1) + u(n) if a(n-1) not divisible 2 else a(n) = a(n-1) / 2, where u(n) is the product of digits of n (A007954)

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1, 2, 1, 4, 2, 1, 7, 14, 7, 16, 8, 4, 2, 1, 5, 10, 5, 12, 6, 3, 3, 5, 9, 15, 23, 33, 45, 59, 75, 93, 93, 96, 48, 24, 12, 6, 3, 24, 12, 6, 3, 7, 15, 27, 43, 63, 87, 115, 147, 183, 183, 188, 94, 47, 67, 92, 46, 23, 63, 108, 54, 27, 39, 57, 81, 111, 147, 189, 237, 291, 291, 298, 149 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A007954.` `Adjacent sequences: A134583 A134584 A134585 this_sequence A134587 A134588 A134589` `Sequence in context: A104582 A133938 A074586 this_sequence A135287 A089606 A140740`
	KEYWORD	`base,nonn`
	AUTHOR	`Ctibor O. Zizka (ctibor.zizka(AT)seznam.cz), Jan 24 2008`

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Last modified October 6 15:53 EDT 2008. Contains 144667 sequences.

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