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A138140 Concatenation of terms of n-th row of the triangle of primes A138139. 2
2, 22, 232, 2332, 23532, 235532, 2357532, 23577532, 2357117532, 235711117532, 23571113117532, 2357111313117532, 235711131713117532, 23571113171713117532, 2357111317191713117532, 235711131719191713117532 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first 10 members are palindromes A002113.

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

.

n ... a(n)

1 ... 2

2 ... 22

3 ... 232

4 ... 2332

5 ... 23532

6 ... 235532

7 ... 2357532

8 ... 23577532

9 ... 2357117532

10 .. 235711117532

11 .. 23571113117532

CROSSREFS

Cf. A000040, A089182, A138139.

Sequence in context: A112893 A086855 A089182 * A322283 A151617 A082777

Adjacent sequences:  A138137 A138138 A138139 * A138141 A138142 A138143

KEYWORD

easy,nonn,base

AUTHOR

Omar E. Pol, Mar 09 2008

STATUS

approved

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Last modified April 23 03:26 EDT 2019. Contains 322380 sequences. (Running on oeis4.)