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A114624
Row sums of the power tree A114622.
4
1, 2, 7, 19, 54, 164, 476, 1417, 4087, 12589, 37818, 116828, 358277, 1106870, 3460676, 10813998, 34339769, 109194390, 350181146, 1126919513, 3634208553, 11774823887, 38335906599, 125461951555, 411934520324, 1356668825821
OFFSET
1,2
COMMENTS
Terms computed by Hugo Pfoertner; see entry A114622 for definition, references and links.
LINKS
CROSSREFS
Cf. A114622 (power tree), A114623 (number of nodes in rows), A114625 (leftmost nodes in rows).
Sequence in context: A040016 A145519 A030224 * A091024 A275289 A151430
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner and Paul D. Hanna, Dec 20 2005
EXTENSIONS
a(27)-a(31) from Hugo Pfoertner, Sep 05 2015
a(32)-a(34) from Hugo Pfoertner, Oct 01 2015
STATUS
approved