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A266332 a(n) = A152392(n)/n for n>=1. 1
1, 2, 6, 24, 116, 642, 3954, 26528, 191368, 1468514, 11899358, 101177336, 898486540, 8299327770, 79481787362, 786962615104, 8036673996944, 84475005423394, 912287361123926, 10106308353804312, 114683674053106724, 1331405224273188370, 15795339232664163058, 191299235558676809056, 2362987021847135118872, 29744438703886126773794, 381251029053155869953294 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
A152392 = Column 0 of triangle A152391.
LINKS
CROSSREFS
Sequence in context: A097483 A210591 A342141 * A007405 A324130 A324131
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jan 13 2016
STATUS
approved

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Last modified February 26 07:39 EST 2024. Contains 370335 sequences. (Running on oeis4.)