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A024970
a(n) = position of 3*n^3 in A003072.
0
1, 4, 13, 27, 51, 86, 132, 194, 263, 364, 475, 608, 763, 950, 1166, 1402, 1675, 1976, 2326, 2683, 3114, 3571, 4057, 4579, 5150, 5782, 6441, 7185, 7943, 8797, 9680, 10644, 11673, 12706, 13875, 15029, 16321, 17650, 19074, 20544, 22082, 23690, 25378, 27170
OFFSET
1,2
CROSSREFS
Cf. A003072.
Sequence in context: A147875 A321988 A108753 * A079430 A270942 A272455
KEYWORD
nonn
EXTENSIONS
Corrected and extended by David W. Wilson, May 15 1997
STATUS
approved