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Search: id:A098400
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| 1, 12, 160, 2240, 32256, 473088, 7028736, 105431040, 1593180160, 24216338432, 369849532416, 5671026163712, 87246556364800, 1346089726771200, 20819521107394560, 322702577164615680, 5011381198321090560
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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G.f.: (1-sqrt(1-16x))/(8x*sqrt(1-16x))
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MAPLE
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Z:=(1-sqrt(1-4*z))*4^n/sqrt(1-4*z)/8: Zser:=series(Z, z=0, 32): seq(coeff(Zser, z, n), n=1..17); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 01 2007
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CROSSREFS
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Cf. A069723, A069720, A098399.
Sequence in context: A015000 A112719 A091019 this_sequence A019578 A144346 A167558
Adjacent sequences: A098397 A098398 A098399 this_sequence A098401 A098402 A098403
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KEYWORD
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easy,nonn
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Sep 06 2004
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