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Search: id:A166071
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| A166071 |
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Sum of the atomic numbers in the n-th column of the Janet table of the first 120 elements. |
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+0
2
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| 146, 148, 150, 152, 154, 156, 158, 160, 162, 164, 166, 168, 170, 172, 234, 238, 242, 246, 250, 254, 258, 262, 266, 270, 292, 298, 304, 310, 316, 322, 332, 340
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Albert Tarantola, PSE of Elements (Janet form).
Anonymous, Janet periodic table, Web Elements Chemistry Nexus
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FORMULA
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sum_{n=1..32} a(n) = A000217(120).
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EXAMPLE
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a(1) = 57 (La) +89 (Ac).
a(14) = 70 (Yb) +102 (No).
a(15) = 21 (Sc) +39 (Y) +71 (Lu) +103 (Lr).
a(24) = 30 (Zn) +48 (Cd) +80 (Hg) +112.
a(25) = 5+13+31+49+81+113.
a(31) = 1 (H) +3 (Li) +11 (Na) +19 (K) +37 (Rb) +55 (Cs) +187 (Fr) +119.
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CROSSREFS
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Cf. A137325, A137583, A138102
Sequence in context: A060720 A015081 A015055 this_sequence A124969 A031510 A145915
Adjacent sequences: A166068 A166069 A166070 this_sequence A166072 A166073 A166074
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KEYWORD
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nonn,less,fini,full
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AUTHOR
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Paul Curtz (bpcrtz(AT)]free.fr), Oct 06 2009
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EXTENSIONS
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a(32) corrected, tutorial description of the PSE and historical anectodes removed. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 07 2009
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