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A125004
a(0) = 9; for n>0, a(n) is determined by the rule that the concatenation of the leading terms of the difference triangle is the same as the concatenation of the digits of the sequence.
+0
2
9, 10, 11, 13, 18, 30, 59, 129, 299, 717, 1741, 4183, 9781, 22123, 48516, 103856, 218683, 455839, 944616, 1950404, 4016865, 8257883, 16962086, 34853986, 71735687, 148017585, 306239910, 634872376, 1316958592, 2728411246
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Maintained by
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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
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