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A051921 Duplicate of A023998. 0
1, 1, 3, 16, 131, 1496, 22482, 426833, 9934563, 277006192, 9085194458 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Sequence in context: A131490 A121673 A273997 * A023998 A241464 A341852
KEYWORD
dead
STATUS
approved

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)