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Search: id:A103177
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| A103177 |
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a(n) = (7*3^n + 2n + 5)/4. |
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+0
1
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| 3, 7, 18, 50, 145, 429, 1280, 3832, 11487, 34451, 103342, 310014, 930029, 2790073, 8370204, 25110596, 75331771, 225995295, 677985866, 2033957578, 6101872713, 18305618117
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OFFSET
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0,1
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COMMENT
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A floretion-generated sequence relating sequences A007051 and A047926. (a(n)) results from a force transform of the sequence of powers of 3.
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FORMULA
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a(n) = 2*A007051(n) + A047926(n)
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PROGRAM
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Floretion Algebra Multiplication Program, FAMP Code: 4jesleftforseq[A*B] with A = - .25'i - .25i' - .25'ii' + .25'jj' + .25'kk' + .25'jk' + .25'kj' - .25e and B = + 'i + .5j' + .5k' + .5'ij' + .5'ik', 1vesforseq[A*B](n) = 3^(n+1), ForType: 1A.
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CROSSREFS
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Cf. A007051, A047926.
Sequence in context: A101308 A018029 A099483 this_sequence A062416 A110578 A134045
Adjacent sequences: A103174 A103175 A103176 this_sequence A103178 A103179 A103180
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KEYWORD
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easy,nonn
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AUTHOR
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Creighton Dement (crowdog(AT)t-online.de), Mar 17 2005
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