PROG
(MAGMAMagma) [Binomial(n, 61): n in [61..80]]; // G. C. Greubel, Nov 03 2018
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Revision History for A017725
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FORMULA
From Amiram Eldar, Dec 17 2020: (Start)
Sum_{n>=61} 1/a(n) = 61/60.
Sum_{n>=61} (-1)^(n+1)/a(n) = A001787(61)*log(2) - A242091(61)/60! = 70328211781017665536*log(2) - 11810022875891189455560842652264706707798107 / 242267804119430792522820 = 0.9843603731... (End)
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PROG
(Sage) [binomial(n, 61) for n in xrangerange(61, 78)] # Zerinvary Lajos, May 23 2009
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FORMULA
G.f.: 1x^61/(1-x)^62.
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