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A121291
Rounded partial sum of atomic weights of first n elements.
+0
2
1, 5, 12, 21, 31, 43, 57, 73, 92, 112, 135, 160, 187, 215, 246, 278, 318, 353, 392, 432, 477, 525, 576, 628, 683, 739, 798, 857, 920, 986, 1055, 1128, 1203
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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