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A271477 Total number of burnt pancakes flipped using the Max-bar(n) greedy algorithm. 1
1, 11, 115, 1315, 17059, 251299, 4168099, 77066659, 1573745059, 35202560419, 856414515619, 22520060211619, 636623103488419, 19255913457152419, 620582474248909219, 21231371719439053219, 768533168883921613219, 29346999327603454669219, 1179012538436940624589219, 49713360071230827164365219 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Gheorghe Coserea, Table of n, a(n) for n = 1..128

J. Sawada, A. Williams, Successor rules for flipping pancakes and burnt pancakes, Preprint, Theoretical Computer Science, Volume 609, Part 1, 4 January 2016, Pages 60-75.

PROG

(PARI)

a(n) = n * 2^n * n!/2  + sum(k=1, n-1, (2*k+1) * k * 2^k * k!/2);

vector(20, k, a(k))  \\ Gheorghe Coserea, Apr 25 2016

CROSSREFS

Sequence in context: A160465 A125446 A287838 * A076554 A173616 A287839

Adjacent sequences:  A271474 A271475 A271476 * A271478 A271479 A271480

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 09 2016

EXTENSIONS

More terms from Gheorghe Coserea, Apr 25 2016

STATUS

approved

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Last modified July 7 16:09 EDT 2020. Contains 335496 sequences. (Running on oeis4.)