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4, 8, 8, 12, 15, 12, 16, 24, 21, 16, 20, 35, 32, 27, 20, 24, 48, 45, 40, 33, 24, 28, 63, 60, 55, 48, 39, 28, 32, 80, 77, 72, 65, 56, 45, 32, 36, 99, 96, 91, 84, 75, 64, 51, 36, 40, 120, 117, 112, 105, 96, 85, 72, 57, 40, 44
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| 4 is A140978(0).
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FORMULA
| Triangle: 4; 8, 8; 12, 15, 12; 16, 24, 21, 16; 20, 35, 32, 27, 20; .
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CROSSREFS
| Sequence in context: A141284 A145154 A072541 * A098352 A014198 A159786
Adjacent sequences: A141716 A141717 A141718 * A141720 A141721 A141722
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KEYWORD
| nonn,uned
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Sep 11 2008
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