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Search: id:A024385
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A024385 a(n) = [ (2nd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+1 positive integers congruent to 1 mod 4}. +0
1
0, 3, 9, 16, 25, 36, 49, 64, 82, 101, 122, 145, 170, 197, 227, 258, 291, 326, 363, 402, 444, 487, 532, 579, 628, 679, 733, 788, 845, 904, 965, 1028, 1094, 1161, 1230, 1301, 1374, 1449, 1527, 1606, 1687, 1770, 1855, 1942 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Adjacent sequences: A024382 A024383 A024384 this_sequence A024386 A024387 A024388

Sequence in context: A070066 A020967 A109340 this_sequence A061942 A058538 A117108

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified October 6 16:13 EDT 2008. Contains 144667 sequences.


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