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3, 35, 462, 6435, 92378, 1352078, 20058300, 300540195, 4537567650, 68923264410, 1052049481860, 16123801841550, 247959266474052, 3824345300380220, 59132290782430712, 916312070471295267, 14226520737620288370
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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FORMULA
| a(n)=binomial(4n+3, 2n+2) - Emeric Deutsch (deutsch(AT)duke.poly.edu), Dec 09 2004
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MAPLE
| a:=n->binomial(4*n+3, 2*n+2): seq(a(n), n=0..19);
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CROSSREFS
| Cf. A001700, A002458.
Sequence in context: A065929 A161495 A179135 * A184554 A046032 A009071
Adjacent sequences: A100030 A100031 A100032 * A100034 A100035 A100036
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 20 2004
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EXTENSIONS
| More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Dec 09 2004
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