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A053554 Duplicate of A048172. 5
1, 3, 19, 195, 2791, 51303, 1152019, 30564075, 935494831, 32447734143, 1257770533339, 53884306900515, 2528224238464471, 128934398091500823, 7101273378743303779, 420078397130637237915, 26563302733186339752511 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

CROSSREFS

Sequence in context: A028854 A222865 A108292 * A048172 A079145 A000763

Adjacent sequences:  A053551 A053552 A053553 * A053555 A053556 A053557

KEYWORD

dead

STATUS

approved

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Last modified February 25 18:12 EST 2018. Contains 299655 sequences. (Running on oeis4.)