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A044072
Numbers n such that string 2,3 occurs in the base 4 representation of n but not of n-1.
+0
2
11, 27, 43, 59, 75, 91, 107, 123, 139, 155, 171, 203, 219, 235, 251, 267, 283, 299, 315, 331, 347, 363, 379, 395, 411, 427, 459, 475, 491, 507, 523, 539, 555, 571, 587, 603, 619, 635, 651, 667, 683, 779, 795, 811, 827, 843, 859
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Maintained by
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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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