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A159350
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Transform of A056594 by the T_{0,0} transformation (see link)
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0
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1, 1, 1, 4, 11, 24, 54, 127, 297, 689, 1600, 3721, 8652, 20112, 46753, 108689, 252673, 587392, 1365519, 3174448, 7379698, 17155715, 39882197, 92714861, 215535904, 501060185, 1164823608, 2707886360, 6295072049, 14634267033, 34020543361
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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LINKS
| Richard Choulet : Curtz-like transformation
Index to sequences with linear recurrences with constant coefficients, signature (3,-3,4,-2,1).
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FORMULA
| O.g.f (1-z)^2/((1-3*z+2*z^2-z^3)*(1+z^2)).
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EXAMPLE
| a(0)=1, a(1)=1, a(2)=1, a(3)=4, a(4)=11 and for n>=0 a(n+5)=3*a(n+4)-3*a(n+3)+4*a(n+2)-2*a(n+1)+a(n).
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MAPLE
| a(0):=1: a(1):=1: a(2):=1: a(3):=4: a(4):=11: for n from 0 to 31 do a(n+5):=3*a(n+4)-3*a(n+3)+4*a(n+2)-2*a(n+1)+a(n): od: seq(a(i), i=0..31);
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CROSSREFS
| A137531, A159347, A159348, A159349
Sequence in context: A192748 A143075 A007678 * A159348 A159349 A192597
Adjacent sequences: A159347 A159348 A159349 * A159351 A159352 A159353
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KEYWORD
| easy,nonn
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AUTHOR
| Richard Choulet (richardchoulet(AT)yahoo.fr), Apr 11 2009
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