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A053064 Alternately append n to end or beginning of previous term. 4
1, 12, 312, 3124, 53124, 531246, 7531246, 75312468, 975312468, 97531246810, 1197531246810, 119753124681012, 13119753124681012, 1311975312468101214, 151311975312468101214, 15131197531246810121416, 1715131197531246810121416, 171513119753124681012141618 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
A055642(a(n)) = A058183(n); A007953(a(n)) = A037123(n); A010879(a(n)) = A010879(2*floor(n/2)) = A010879(A131055(n)); A000030(a(n)) = A000030(ceiling(n/2)). - Reinhard Zumkeller, Oct 10 2008
REFERENCES
Felice Russo, A set of new Smarandache functions, sequences and conjectures in number theory, American Research Press 2000
LINKS
CROSSREFS
Sequence in context: A052795 A304126 A263668 * A171094 A060010 A129583
KEYWORD
easy,nonn,base,less
AUTHOR
Felice Russo, Feb 25 2000
EXTENSIONS
More terms from Sean A. Irvine, Dec 05 2021
STATUS
approved

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Last modified March 19 06:05 EDT 2024. Contains 370952 sequences. (Running on oeis4.)