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A026113 T(3n,n), where T is the array defined in A026105. 0
1, 2, 15, 112, 879, 7084, 58123, 482980, 4051542, 34236670, 291001515, 2485209984, 21308128100, 183304844334, 1581390987039, 13676468811804, 118533903449357, 1029280548493050, 8952719328878815, 77988115665259800, 680280714418808610, 5941248392350208706 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Cf. A026105.
Sequence in context: A140637 A342963 A022026 * A052874 A360432 A074622
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(13) corrected and more terms from Sean A. Irvine, Sep 16 2019
STATUS
approved

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Last modified March 19 07:49 EDT 2024. Contains 370958 sequences. (Running on oeis4.)