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Search: id:A079664
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| A079664 |
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Sum_{i=1,...,n} LookAndSay(i). |
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+0
2
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| 11, 23, 36, 50, 65, 81, 98, 116, 135, 1245, 1266, 2378, 3491, 4605, 5720, 6836, 7953, 9071, 10190, 11400, 12611, 12633, 13846, 15060, 16275, 17491, 18708, 19926, 21145, 22455, 23766, 25078, 25101, 26415, 27730, 29046, 30363, 31681, 33000, 34410
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A question related to this sequence: prove the convergence or divergence of the infinite series Sum_{i=1,2,3,....} 1/LookAndSay[i]. (Numerical experiments suggest that this diverges slowly.)
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EXAMPLE
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a(2) = LookAndSay(1) + LookAndSay(2) = 11 (one "1") + 12 (one "2") = 23.
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CROSSREFS
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Sequence in context: A017653 A139793 A101859 this_sequence A135978 A139493 A077345
Adjacent sequences: A079661 A079662 A079663 this_sequence A079665 A079666 A079667
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KEYWORD
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base,nonn
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AUTHOR
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Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Jan 26 2003
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