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A029618
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Numbers in (3,2)-Pascal triangle (by row).
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22
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1, 3, 2, 3, 5, 2, 3, 8, 7, 2, 3, 11, 15, 9, 2, 3, 14, 26, 24, 11, 2, 3, 17, 40, 50, 35, 13, 2, 3, 20, 57, 90, 85, 48, 15, 2, 3, 23, 77, 147, 175, 133, 63, 17, 2, 3, 26, 100, 224, 322, 308, 196, 80, 19, 2, 3, 29, 126, 324, 546, 630, 504, 276, 99, 21, 2, 3, 32, 155, 450, 870
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Reverse of A029600. - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Nov 21 2006
Triangle T(n,k), read by rows, given by (3,-2,0,0,0,0,0,0,0,...) DELTA (2,-1,0,0,0,0,0,0,0,...) where DELTA is the operator defined in A084938. - From DELEHAM Philippe, Oct 10 2011.
Row n : expansion of (3+2x)*(1+x)^(n-1), n>0. - From DELEHAM Philippe, Oct 10 2011.
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FORMULA
| T(n,k)=T(n-1,k-1)+T(n-1,k) with T(0,0)=1, T(1,0)=3, T(1,1)=2). - From DELEHAM Philippe, Oct 10 2011.
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EXAMPLE
| 1; 3 2; 3 5 2; 3 8 7 2; 3 11 15 9 2; ...
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CROSSREFS
| A029600, A084938
Sequence in context: A200599 A173093 A064885 * A112427 A098229 A128151
Adjacent sequences: A029615 A029616 A029617 * A029619 A029620 A029621
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KEYWORD
| nonn,tabl
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AUTHOR
| Mohammad K. Azarian (ma3(AT)evansville.edu)
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EXTENSIONS
| More terms from James A. Sellers (sellersj(AT)math.psu.edu)
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