A058351 Partial sums of A000084.

0, 1, 3, 7, 17, 41, 107, 287, 809, 2341, 6965, 21101, 65031, 202939, 640441, 2039509, 6546861, 21158437, 68791923, 224839127, 738316629, 2434622357, 8058616301, 26765349429, 89173526191, 297942766331, 998072479961, 3351459203873

Offset

0,3

References

Z. A. Lomnicki, Two-terminal series-parallel networks, Adv. Appl. Prob., 4 (1972), 109-150.

Links

Table of n, a(n) for n=0..27.

Sameen Ahmed KHAN, Mathematica notebook for A153588 and A058351

Crossrefs

Cf. A000084, A006349, A006350, A058352, A058353, A000669.

Sequence in context: A187258 A131721 A259855 * A244782 A175094 A086395

Adjacent sequences: A058348 A058349 A058350 * A058352 A058353 A058354

Keyword

nonn

Author

N. J. A. Sloane, Dec 16 2000

Status

approved