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A053219
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Reverse of triangle A053218, read by rows.
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3
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1, 3, 2, 8, 5, 3, 20, 12, 7, 4, 48, 28, 16, 9, 5, 112, 64, 36, 20, 11, 6, 256, 144, 80, 44, 24, 13, 7, 576, 320, 176, 96, 52, 28, 15, 8, 1280, 704, 384, 208, 112, 60, 32, 17, 9, 2816, 1536, 832, 448, 240, 128, 68, 36, 19, 10, 6144, 3328, 1792, 960, 512, 272, 144, 76, 40
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| First element in each row gives A001792. Difference between center element of row 2n-1 and row sum of row n (A053220(n+4) - A053221(n+4)) gives A045618(n).
Subtriangle of triangle in A062111. - From DELEHAM Philippe, Nov 21 2011
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EXAMPLE
| Triangle begins:
1
3, 2
8, 5, 3
20, 12, 7, 4
48, 28, 16, 9, 5 ...
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CROSSREFS
| Cf. A053218 (reverse of this triangle), A053220 (center elements), A053221 (row sums), A001792, A045618, A062111.
Sequence in context: A129199 A097018 A127541 * A173030 A083087 A191724
Adjacent sequences: A053216 A053217 A053218 * A053220 A053221 A053222
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KEYWORD
| nonn,tabl
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AUTHOR
| Asher Auel (asher.auel(AT)reed.edu) Jan 01 2000
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