|
Search: id:A006349
|
|
|
| A006349 |
|
Related to series-parallel networks.
(Formerly M3834)
|
|
+0
5
|
|
| 1, 5, 13, 45, 121, 413, 1261, 4221, 13801, 46365, 155497, 527613, 1792805, 6126293, 20986153, 72121853, 248396793, 857416949, 2964896877, 10269596445, 35622421561, 123728022269, 430254861945, 1497796774077, 5219231003621
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
REFERENCES
|
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Z. A. Lomnicki, Two-terminal series-parallel networks, Adv. Appl. Prob., 4 (1972), 109-150.
|
|
FORMULA
|
A058352(n) + n*A000084(n).
|
|
CROSSREFS
|
Cf. A000084, A006350, A058351, A058352, A058353, A000669.
Sequence in context: A147259 A115785 A113835 this_sequence A052899 A147200 A147396
Adjacent sequences: A006346 A006347 A006348 this_sequence A006350 A006351 A006352
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
Search completed in 0.002 seconds
|
