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A025572 a(n) = T(4n,n), where T is the array defined in A025564. 0
1, 4, 34, 330, 3381, 35700, 384307, 4193020, 46203670, 513011312, 5730482707, 64324536822, 724966763955, 8198552413800, 92985865982415, 1057267681773972, 12047638469222921, 137547814582468048, 1573060924386848400, 18017644508154675426, 206653990802794950415 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..21.
CROSSREFS
Sequence in context: A232910 A208215 A337390 * A093137 A332617 A333095
Adjacent sequences: A025569 A025570 A025571 * A025573 A025574 A025575
KEYWORD
nonn
AUTHOR
Clark Kimberling
EXTENSIONS
More terms from Sean A. Irvine, Sep 07 2019
STATUS
approved

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Last modified June 3 05:44 EDT 2024. Contains 373054 sequences. (Running on oeis4.)