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A156613
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First nonzero digit in decimal expansion in (e^n)/n!.
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1
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1, 2, 3, 3, 2, 1, 5, 2, 7, 2, 6, 1, 3, 7, 1, 2, 4, 6, 1, 1, 1, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 8, 6, 4, 2, 1, 1, 7, 4, 2, 1, 9, 5, 3, 1, 9, 4, 2, 1, 6, 2, 1, 6, 3, 1, 6, 2, 1, 4, 2, 8, 3, 1, 5
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OFFSET
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0,2
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COMMENTS
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Occurrence of seven 4's starting at a(24) is of special interest.
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LINKS
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EXAMPLE
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(e^2)/(2!) = 3.69452804..., so a(2) = 3.
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MATHEMATICA
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Table[RealDigits[(E^n)/n!, 10, 1][[1, 1]], {n, 0, 100}] (* Paolo Xausa, Apr 29 2024 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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Avik Roy (avik_3.1416(AT)yahoo.co.in), Feb 11 2009
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STATUS
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approved
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