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A121095 Duplicate of A000908. 0
0, 0, 1, 4, 14, 47, 164, 565, 1982, 6977, 24850, 89082, 321855, 1169853, 4276923, 15713799, 57998270, 214934984, 799473752, 2983682702, 11169374372, 41929478873, 157807392886, 595340271682, 2250901007539, 8527699269192, 32369066434276 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
CROSSREFS
Sequence in context: A365987 A228178 A000908 * A264816 A332610 A015651
KEYWORD
dead
STATUS
approved

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Last modified April 24 19:51 EDT 2024. Contains 371963 sequences. (Running on oeis4.)