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A000087
Number of rooted planar maps.
(Formerly M1240 N0474)
+0
1
2, 1, 2, 4, 10, 37, 138, 628, 2972, 14903, 76994, 409594, 2222628, 12281570, 68864086, 391120036, 2246122574, 13025721601, 76194378042, 449155863868, 2666126033850, 15925105028685, 95664343622234, 577651490729530
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Maintained by
N. J. A. Sloane
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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