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A201078
Twice A137829.
1
2, 4, 12, 24, 50, 92, 172, 296, 510, 840, 1372, 2176, 3424, 5268, 8040, 12072, 17976, 26428, 38564, 55680, 79846, 113500, 160320, 224768, 313320, 433916, 597788, 818840, 1116238, 1513900, 2044180, 2747520, 3677864, 4902732, 6510960, 8613840, 11356208
OFFSET
0,1
LINKS
Brian Drake, Limits of areas under lattice paths, Discrete Math. 309 (2009), no. 12, 3936-3953. See Corollary 7.
CROSSREFS
Sequence in context: A343458 A328521 A133411 * A004645 A045687 A233411
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 26 2011
STATUS
approved