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A078934 Smallest semiperimeter of integral rectangle with area n*(n+1)/2. 2
2, 4, 5, 7, 8, 10, 11, 12, 14, 16, 17, 19, 20, 22, 22, 25, 26, 28, 29, 29, 32, 34, 35, 35, 38, 40, 39, 43, 44, 46, 47, 46, 50, 52, 51, 55, 56, 58, 56, 61, 62, 64, 65, 63, 68, 70, 71, 70, 70, 76, 73, 79, 80, 78, 79, 80, 86, 88, 89, 91, 92, 94, 90, 92, 94, 100, 101, 97, 104, 106 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(n) = A063655(A000217(n)); a(n) = A078935(n) + A078936(n);
a(n) <= A001651(n).
LINKS
CROSSREFS
Sequence in context: A059539 A307513 A186515 * A026496 A056127 A186352
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 17 2002
STATUS
approved

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Last modified February 21 10:38 EST 2024. Contains 370228 sequences. (Running on oeis4.)