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A151898 First differences of Frobenius numbers for 7 successive numbers A138987. 1
1, 1, 1, 1, 1, 9, 2, 2, 2, 2, 2, 16, 3, 3, 3, 3, 3, 23, 4, 4, 4, 4, 4, 30, 5, 5, 5, 5, 5, 37, 6, 6, 6, 6, 6, 44, 7, 7, 7, 7, 7, 51, 8, 8, 8, 8, 8, 58, 9, 9, 9, 9, 9, 65, 10, 10, 10, 10, 10, 72, 11, 11, 11, 11, 11, 79, 12, 12, 12, 12, 12, 86, 13, 13, 13, 13, 13, 93, 14, 14, 14, 14, 14, 100, 15 (list; graph; refs; listen; history; internal format)
OFFSET

1,6

COMMENTS

First differences of Frobenius numbers for 2 successive numbers see A005843

First differences of Frobenius numbers for 3 successive numbers see A014682

First differences of Frobenius numbers for 4 successive numbers see A138995

First differences of Frobenius numbers for 5 successive numbers see A138996

First differences of Frobenius numbers for 6 successive numbers see A138997

First differences of Frobenius numbers for 7 successive numbers see A151898

First differences of Frobenius numbers for 8 successive numbers see A138999

FORMULA

a(n)=A138987(n+1)-A138987(n)

MATHEMATICA

a = {}; Do[AppendTo[a, FrobeniusNumber[{n + 1, n + 2, n + 3, n + 4, n + 5, n + 6, n + 7}]], {n, 1, 100}]; Differences[a]

CROSSREFS

Cf. A028387, A037165, A079326, A138985, A138986, A138987, A138988, A138989, A138990, A138991, A138992, A138993, A138994, A138995, A138996, A138997, A151898, A138999.

Sequence in context: A197488 A197757 A010536 * A080994 A200298 A110543

Adjacent sequences:  A151895 A151896 A151897 * A151899 A151900 A151901

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Apr 05 2008

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Last modified February 15 05:29 EST 2012. Contains 205694 sequences.