id:A105536 - OEIS Search Results

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Row sums of triangular matrix A105535, in which diagonal n equals A105535^(n+1) when flattened as read by rows.

+0
2

1, 2, 4, 6, 12, 21, 32, 52, 83, 127, 185, 273, 436, 774, 1484, 2965, 6048, 12472, 25802, 53243, 109300, 223098, 453053, 916286, 1847403, 3716038, 7462007, 14965615, 29988282, 60053870, 120211757, 240564502, 481327461, 962960919, 1926473259 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`The ratio of consecutive row sums seems to converge to a value near 2.`
	CROSSREFS	`Cf. A105535.` `Adjacent sequences: A105533 A105534 A105535 this_sequence A105537 A105538 A105539` `Sequence in context: A090906 A047141 A105541 this_sequence A073660 A102588 A005303`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Apr 12 2005`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research