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Search: id:A114470
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| A114470 |
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Number of decimal digits in Delannoy[10^n]. |
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+0
4
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OFFSET
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0,2
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LINKS
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Eric Weisstein's World of Mathematics, Delannoy Number
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FORMULA
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Limit[Log[10, a(n)]/n, n->Infinity] = Log[10, 3+2*sqrt(2) ] = 0.765551370675726156638799048... since the real root possessing the smallest absolute value of expression (1-6*x+x^2) (found in the g.f.) equals 1/(3+2*sqrt(2)). (See A104178). - Paul Hanna, Dec 01, 2005.
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CROSSREFS
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Cf. A001850, A114472.
Sequence in context: A121316 A066302 A139472 this_sequence A098497 A059195 A139264
Adjacent sequences: A114467 A114468 A114469 this_sequence A114471 A114472 A114473
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KEYWORD
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nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Nov 30, 2005
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