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A037789 Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0,1. 1
3, 23, 161, 1128, 7899, 55295, 387065, 2709456, 18966195, 132763367, 929343569, 6505404984, 45537834891, 318764844239, 2231353909673, 15619477367712, 109336341573987, 765354391017911, 5357480737125377 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (8,-8,8,-7).

FORMULA

a(n) = 8a(n-1) - 8a(n-2) + 8a(n-3) - 7a(n-4)

CROSSREFS

Sequence in context: A197176 A006184 A164536 * A037670 A037796 A027141

Adjacent sequences:  A037786 A037787 A037788 * A037790 A037791 A037792

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.