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A074099
Duplicate of A006788.
0
1, 1, 1, 2, 3, 5, 9, 16, 28, 51, 93, 170, 315, 585, 1092, 2048, 3855, 7281, 13797, 26214, 49932
OFFSET
1,4
CROSSREFS
Sequence in context: A128023 A000048 A056303 * A006788 A054650 A022857
KEYWORD
dead
STATUS
approved