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A290438
a(n) = A289676(3*n).
0
1, 1, 3, 3, 12, 20, 39, 64, 116, 210, 438, 966, 2089, 4155, 8032, 15657, 30325, 58379, 112885
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
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
Table of n, a(n) for n=1..19.
CROSSREFS
Cf. A284116, A284119, A284121, A289670-A289677, A290436-A290441.
Sequence in context: A075780 A292515 A078666 * A006804 A052533 A268798
Adjacent sequences: A290435 A290436 A290437 * A290439 A290440 A290441
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 02 2017
STATUS
approved

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Last modified October 21 06:37 EDT 2024. Contains 376969 sequences.
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