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A262544
Records in A261422.
7
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 63, 72, 79, 84, 87, 88, 117, 126, 135, 142, 147, 150, 151, 153, 156, 159, 162, 168, 177, 198, 207, 213, 216, 219, 222, 226, 231, 261, 264, 270, 279, 297, 318, 342, 369, 375, 426, 429, 465, 513, 567, 591, 660, 663, 678, 681, 729, 820, 870, 963, 982, 1005
OFFSET
1,2
LINKS
N. J. A. Sloane and Hugo Pfoertner, Table of n, a(n) for n = 1..869 (first 257 terms from N. J. A. Sloane)
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 06 2015
STATUS
approved