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Search: id:A003520
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A003520 a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1.
(Formerly M0507)
+0
25
1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 8, 11, 15, 20, 26, 34, 45, 60, 80, 106, 140, 185, 245, 325, 431, 571, 756, 1001, 1326, 1757, 2328, 3084, 4085, 5411, 7168, 9496, 12580, 16665, 22076, 29244, 38740, 51320, 67985, 90061, 119305, 158045, 209365, 277350, 367411, 486716, 644761 (list; graph; listen)
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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