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A089023 Duplicate of A035610. 0
1, 4, 28, 232, 2092, 19864, 195352, 1970896, 20275660, 211823800, 2240795848 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A191094 A152599 A199579 * A035610 A202824 A046904

Adjacent sequences:  A089020 A089021 A089022 * A089024 A089025 A089026

KEYWORD

dead

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.