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A126480
Number of base 12 n-digit numbers with adjacent digits differing by three or less.
+0
3
1, 12, 72, 448, 2816, 17780, 112440, 711504, 4503320, 28505304, 180439880, 1142206528, 7230339936, 45769222384, 289726772704, 1834018988272, 11609648360160, 73491027329888, 465210573030272, 2944861245639136
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Maintained by
N. J. A. Sloane
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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
AT&T Labs Research
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