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A077994
Duplicate of A077843.
0
1, 1, 4, 12, 34, 100, 292, 852, 2488, 7264, 21208, 61920, 180784, 527824, 1541056, 4499328
OFFSET
0,3
CROSSREFS
Sequence in context: A005056 A014143 A361476 * A077843 A061703 A126948
KEYWORD
dead
STATUS
approved