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A053062 Concatenate n, 2n, 3n, ... nn. 1
1, 24, 369, 481216, 510152025, 61218243036, 7142128354249, 816243240485664, 91827364554637281, 102030405060708090100, 112233445566778899110121, 1224364860728496108120132144, 13263952657891104117130143156169 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

Felice Russo, A set of new Smarandache functions, sequences and conjectures in number theory, American Research Press 2000

LINKS

Table of n, a(n) for n=1..13.

MAPLE

P:=proc(i) local a, b, n; for n from 1 by 1 to i do a:=n; b:=2; while b<=n do a:=a*10^floor(log10(n*b)+1)+n*b; b:=b+1; od; print(a); od; end: P(100); # Paolo P. Lava, Mar 05 2010

CROSSREFS

Cf. A061082.

Sequence in context: A028074 A028111 A168304 * A028060 A026326 A028043

Adjacent sequences:  A053059 A053060 A053061 * A053063 A053064 A053065

KEYWORD

easy,base,nonn,less

AUTHOR

Felice Russo, Feb 25 2000

EXTENSIONS

More terms from James A. Sellers, Feb 28 2000

STATUS

approved

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Last modified March 19 23:02 EDT 2019. Contains 321343 sequences. (Running on oeis4.)