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A105541
Row sums of triangular matrix A105540, in which column n equals A105540^(n+1) when flattened as read by rows.
1
1, 2, 4, 6, 12, 21, 32, 50, 89, 153, 248, 392, 612, 995, 1634, 2648, 4209, 6596, 10200, 15856, 24851, 39075, 61171, 94880, 145807, 221935, 336363, 509986, 775139, 1179993, 1794052, 2716164, 4088829, 6115003, 9094628, 13479736, 19955138
OFFSET
0,2
COMMENTS
The ratio of consecutive row sums seems to converge to a value near sqrt(2).
CROSSREFS
Cf. A105540.
Sequence in context: A090906 A047141 A341858 * A105536 A328079 A321739
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Apr 13 2005
STATUS
approved