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A158985 Coefficients of polynomials P(n,x):=1+P(n-1,x)^2, where P(0,x)=x+1. +0
5
1, 1, 1, 2, 2, 1, 4, 8, 8, 5, 1, 8, 32, 80, 138, 168, 144, 80, 26, 1, 16, 128, 672, 2580, 7664, 18208, 35296, 56472, 74944, 82432, 74624, 54792, 31776, 13888, 4160, 677, 1, 32, 512, 5440, 43048, 269920, 1393728, 6082752, 22860480, 75010560, 217147904 (list; table; graph; listen)
OFFSET

1,4

REFERENCES

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

EXAMPLE

Row 1: 1 1 (from x+1)

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

Row 3: 1 4 8 8 5

Row 4: 1 8 32 80 138 168 144 80 26

CROSSREFS

A158982, A158983, A158984, A158986.

Sequence in context: A167622 A084606 A137399 this_sequence A087854 A086873 A101560

Adjacent sequences: A158982 A158983 A158984 this_sequence A158986 A158987 A158988

KEYWORD

nonn,tabl

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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