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A102433 Number of distinct polynomials of degree < n and coefficients > 0 with solutions k >= 1 such that p(k) = n. 4
1, 4, 12, 40, 132, 472, 1727, 6452, 24330, 92404, 352743, 1352116, 5200339, 20058347, 77558811, 300540260, 1166803176, 4537567732, 17672631983, 68923264512, 269128937327, 1052049481983, 4116715363924, 16123801841703 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n) = A102431(n) + A102430(n, 1) - 1

EXAMPLE

a(2)=4 distinct polynomials: 2 (for all n), n+1, 2n (for n=1), n (for n=2).

CROSSREFS

Cf. A102430, A102431, A102432, A102434.

Sequence in context: A152174 A087206 A081875 * A100320 A064649 A149332

Adjacent sequences:  A102430 A102431 A102432 * A102434 A102435 A102436

KEYWORD

easy,nonn

AUTHOR

Marc LeBrun (mlb(AT)well.com), Jan 08 2005

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Last modified February 17 17:51 EST 2012. Contains 206061 sequences.