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A143125
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Sum {j=1..n} j*A001462(j).
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1
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1, 5, 11, 23, 38, 62, 90, 122, 167, 217, 272, 344, 422, 506
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| Sum {j=1..n} j*A001462(j), where A001462 = Golomb's sequence, (1, 2, 2, 3, 3, 4, 4, 4,...). Row sums of triangle A143124.
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EXAMPLE
| a(4) = 23 = 1*1 + 2*2 + 3*2 + 4*12 = (1 + 4 + 6 + 12), given Golomb's sequence (1, 2, 2, 3, 3, 4, 4, 4,...).
a(4) = 23 = sum of row 4 terms of triangle A143124: (8 + 7 + 5 + 3).
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CROSSREFS
| Cf. A001462, A143124.
Sequence in context: A061769 A169744 A190148 * A147081 A046628 A118439
Adjacent sequences: A143122 A143123 A143124 * A143126 A143127 A143128
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 26 2008
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