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A025241 Essentially same as A004148. 0
1, 1, 1, 1, 2, 4, 8, 17, 37, 82, 185, 423, 978, 2283, 5373, 12735, 30372, 72832, 175502 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..19.

CROSSREFS

Sequence in context: A274114 A024557 A199409 * A203019 A004148 A085022

Adjacent sequences:  A025238 A025239 A025240 * A025242 A025243 A025244

KEYWORD

dead

STATUS

approved

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Last modified August 23 19:19 EDT 2017. Contains 291021 sequences.