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A290436 a(n) = A289676(3*n+1). 9
2, 2, 4, 5, 10, 21, 43, 85, 146, 250, 462, 960, 2069, 4296, 8485, 16496, 32041, 61700, 118357 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
No formulas or recurrences are known for the important sequences A289670 and A289671. The essence of these two sequences is captured in the six entries A290436-A290441. Any numerical properties of these would be most welcome.
LINKS
CROSSREFS
Sequence in context: A238020 A095020 A340775 * A338048 A127825 A185100
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 02 2017
STATUS
approved

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Last modified May 6 21:30 EDT 2024. Contains 372297 sequences. (Running on oeis4.)