login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A186701 Partial sums of Collatz sequence (A008908). 1
1, 3, 11, 14, 20, 29, 46, 50, 70, 77, 92, 102, 112, 130, 148, 153, 166, 187, 208, 216, 224, 240, 256, 267, 291, 302, 414, 433, 452, 471, 578, 584, 611, 625, 639, 661, 683, 705, 740, 749, 859, 868, 898, 915, 932, 949, 1054, 1066, 1091, 1116, 1141, 1153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

MATHEMATICA

Accumulate[Table[Length[NestWhileList[If[EvenQ[#], #/2, 3#+1]&, n, #!=1&]], {n, 100}]]

CROSSREFS

Cf. A008908.

Sequence in context: A101585 A115214 A143029 * A022123 A303035 A273869

Adjacent sequences:  A186698 A186699 A186700 * A186702 A186703 A186704

KEYWORD

nonn

AUTHOR

Harvey P. Dale, Feb 25 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 5 18:57 EDT 2021. Contains 343573 sequences. (Running on oeis4.)