id:A058633 - OEIS Search Results

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Partial sums of the Collatz sequence.

+0
2

0, 1, 8, 10, 15, 23, 39, 42, 61, 67, 81, 90, 99, 116, 133, 137, 149, 169, 189, 196, 203, 218, 233, 243, 266, 276, 387, 405, 423, 441, 547, 552, 578, 591, 604 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = Sigma(i from 0 to n) Collatz(i) a(n) = a(n-1) + Collatz(n)`
	EXAMPLE	`a(2)=8 because: a(2) = Collatz(0) + Collatz(1) + Collatz(2) = 0 + 1 + 7 = 8`
	CROSSREFS	`Cf. A006577.` `Sequence in context: A101763 A154568 A020940 this_sequence A165143 A038209 A061908` `Adjacent sequences: A058630 A058631 A058632 this_sequence A058634 A058635 A058636`
	KEYWORD	`nonn`
	AUTHOR	`Felix Goldberg (felixg(AT)tx.technion.ac.il), Dec 26 2000`

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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.

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