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A048625 Pisot sequence P(4,6). 2
4, 6, 9, 13, 19, 28, 41, 60, 88, 129, 189, 277, 406, 595, 872, 1278, 1873, 2745, 4023, 5896, 8641, 12664, 18560, 27201, 39865, 58425, 85626, 125491, 183916, 269542, 395033, 578949, 848491, 1243524, 1822473, 2670964, 3914488, 5736961, 8407925, 12322413, 18059374 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n) = a(n-1) + a(n-3) (Checked up to n = 1000)

CROSSREFS

Subsequence of A000930. See A008776 for definitions of Pisot sequences.

Sequence in context: A187910 A020747 A010737 * A120134 A112381 A108634

Adjacent sequences:  A048622 A048623 A048624 * A048626 A048627 A048628

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.