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A086894 (A000522(2*n)+1)/2. 0
1, 3, 33, 979, 54801, 4932051, 651030673, 118487582403, 28437019776609, 8701728051642211, 3306656659624040001 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..10.

CROSSREFS

Sequence in context: A126466 A002112 A055549 * A255930 A255883 A215948

Adjacent sequences:  A086891 A086892 A086893 * A086895 A086896 A086897

KEYWORD

nonn

AUTHOR

Vladeta Jovovic, Aug 22 2003

STATUS

approved

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Last modified December 7 09:29 EST 2016. Contains 278849 sequences.