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A228891 Let A = A050376. Let Q be the smallest term of A more than 1 + prod{i=1,...,n}A(i). a(n) = Q - prod{i=1,...,n}A(i). 1
2, 3, 5, 7, 13, 13, 17, 17, 17, 41, 59, 29, 41, 53, 37, 67, 79, 61, 89, 101, 139, 71, 67, 83, 151, 101, 89, 127, 163, 137, 101, 103, 131, 181, 139, 139, 181, 181, 139, 317, 191, 313, 163, 197, 199, 389, 191, 233, 229, 337, 239, 229, 347, 881, 239, 283, 487 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

It is a Fermi-Dirac analog of the Fortunate numbers (A005235).

LINKS

Peter J. C. Moses, Table of n, a(n) for n = 1..1000

EXAMPLE

a(1) = 2, since 1 + prod{i=1}A(i) = 1 + 2 = 3, the smallest term Q of A050376 more than 3 is 4 and a(1) = 4-2 = 2; let n=4, then 1 + prod{i=1,...,4}A(i) = 1 + 2*3*4*5 = 121 and the smallest term Q of A050376 more than 121 is 127. So a(4) = 127 - 120 = 7.

CROSSREFS

Cf. A005235, A050376.

Sequence in context: A225039 A264731 A262350 * A168484 A217907 A031344

Adjacent sequences:  A228888 A228889 A228890 * A228892 A228893 A228894

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Sep 07 2013

EXTENSIONS

More terms from Peter J. C. Moses, Sep 10 2013

STATUS

approved

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Last modified October 21 14:36 EDT 2019. Contains 328301 sequences. (Running on oeis4.)