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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 (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)). [From 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

R. Zumkeller, Table of n, a(n) for n = 1..100 [From Reinhard Zumkeller, Oct 10 2008]

CROSSREFS

Cf. A007908.

Sequence in context: A054942 A052795 A263668 * A171094 A060010 A129583

Adjacent sequences:  A053061 A053062 A053063 * A053065 A053066 A053067

KEYWORD

easy,nonn,base,less

AUTHOR

Felice Russo, Feb 25 2000

STATUS

approved

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Last modified July 27 20:09 EDT 2017. Contains 289866 sequences.