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Search: id:A075509
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| 1, 11, 131, 1761, 27601, 506651, 10674211, 251686881, 6524202561, 183991725451, 5605930566051, 183428104316161, 6409252239788881, 237948848526923611, 9346097294356706051, 386966245108218203201
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n)=sum((10^(n-m))*S2(n, m), m=1..n), n>=1, with S2(n, m) := A008277(n, m) (Stirling2).
E.g.f.: exp(exp(10*x)-1)/10)-1.
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CROSSREFS
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Cf. A075508.
Sequence in context: A015606 A077417 A082148 this_sequence A061113 A101334 A068645
Adjacent sequences: A075506 A075507 A075508 this_sequence A075510 A075511 A075512
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KEYWORD
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nonn,easy
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Oct 02, 2002
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