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A158983 Coefficients of polynomials P(n,x):=2+P(n-1,x)^2, where P(0,x)=x+2. +0
5
1, 2, 1, 4, 6, 1, 8, 28, 48, 38, 1, 16, 120, 544, 1628, 3296, 4432, 3648, 1446, 1, 32, 496, 4928, 35064, 189248, 800992, 2711424, 7419740, 16475584, 29610272, 42666880, 48398416, 41867904, 26125248, 10550016, 2090918, 1, 64, 2016, 41600, 631536 (list; table; graph; listen)
OFFSET

1,2

REFERENCES

Clark Kimberling, "Polynomials defined by the recurrence" P(n+1)=(P(n)+c-a)^2 - c," preprint, 2009.

EXAMPLE

Row 1: 1 2 (from x+2)

Row 2: 1 4 6 (from x^2+4x+6)

Row 3: 1 8 28 48 38

Row 4: 1 16 120 544 1628 3296 4432 3648 1446

CROSSREFS

A158982, A158984, A158985, A158986.

Sequence in context: A114192 A114656 A075497 this_sequence A079474 A091543 A059575

Adjacent sequences: A158980 A158981 A158982 this_sequence A158984 A158985 A158986

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Apr 02 2009

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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