A006350 -id:A006350 - cp's OEIS frontend

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

N. J. A. Sloane, Dec 16 2000

nonn

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

Sameen Ahmed KHAN, Mathematica notebook for A153588 and A058351

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

A058352 a(n) Sum_{d|n, 1<=dA000084(d).

Original entry on oeis.org

0, 1, 1, 5, 1, 17, 1, 45, 13, 125, 1, 453, 1, 1265, 133, 4221, 1, 14201, 1, 46405, 1273, 155501, 1, 531789, 121, 1792809, 13801, 6126333, 1, 21032793, 1, 72121853, 155509, 248396797, 1381, 857944149, 1, 2964896881, 1792817, 10269600621, 1, 35628546989, 1

Offset: 0

N. J. A. Sloane, Dec 16 2000

nonn

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

Cf. A000084, A006349, A006350, A058351, A058353, A000669.

A058352 := proc(n) local d,t1; t1 := 0; for d from 1 to n-1 do if n mod d = 0 then t1 := t1+d*A000084(d); fi; od; t1; end;

More terms from Sean A. Irvine, Aug 04 2022

A058353 n*A000084(n).

Original entry on oeis.org

1, 4, 12, 40, 120, 396, 1260, 4176, 13788, 46240, 155496, 527160, 1792804, 6125028, 20986020, 72117632, 248396792, 857402748, 2964896876, 10269550040, 35622420288, 123727866768, 430254861944, 1497796242288, 5219231003500

Offset: 1

N. J. A. Sloane, Dec 16 2000

nonn

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

Cf. A000084, A006349, A006350, A058351, A058352, A000669.

A006349 Related to series-parallel networks.

Original entry on oeis.org

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

Offset: 1

N. J. A. Sloane

nonn

Z. A. Lomnicki, Two-terminal series-parallel networks, Adv. Appl. Prob., 4 (1972), 109-150.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Cf. A000084, A006350, A058351, A058352, A058353, A000669.

A058352(n) + n*A000084(n).

cp's OEIS Frontend

A058351 Partial sums of A000084.

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A058352 a(n) Sum_{d|n, 1<=dA000084(d).

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A058353 n*A000084(n).

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A006349 Related to series-parallel networks.

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