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A105536 Row sums of triangular matrix A105535, in which diagonal n equals A105535^(n+1) when flattened as read by rows. 1
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; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

The ratio of consecutive row sums seems to converge to a value near 2.

LINKS

Table of n, a(n) for n=0..34.

CROSSREFS

Cf. A105535.

Sequence in context: A090906 A047141 A105541 * A328079 A321739 A073660

Adjacent sequences:  A105533 A105534 A105535 * A105537 A105538 A105539

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Apr 12 2005

STATUS

approved

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Last modified February 26 12:33 EST 2020. Contains 332279 sequences. (Running on oeis4.)