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A043052
a(n)=(s(n)+2)/5, where s(n)=n-th base 5 palindrome that starts with 3.
0
1, 4, 16, 17, 18, 19, 20, 76, 82, 88, 94, 100, 376, 381, 386, 391, 396, 402, 407, 412, 417, 422, 428, 433, 438, 443, 448, 454, 459, 464, 469, 474, 480, 485, 490, 495, 500, 1876, 1906, 1936, 1966, 1996, 2002, 2032, 2062, 2092, 2122
OFFSET
1,2
CROSSREFS
Sequence in context: A232839 A140299 A119007 * A037409 A178364 A034121
KEYWORD
nonn,base
STATUS
approved