A083666 - OEIS

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A083666

Palindromes arising when building A083664.

2, 6, 33, 44, 88, 161, 171, 222, 232, 252, 272, 323, 414, 434, 464, 494, 505, 525, 555, 616, 858, 1551, 2002, 2112, 2332, 2772, 2992, 3773, 4224, 4554, 4774, 5005, 5225, 5445, 5555, 6336, 6776, 7007, 7667, 8118, 8778, 9009, 10001, 10101, 10701, 11811

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

a(n) = A083664(k)*A083664(k+d) for some k, d = 1 or 2.

LINKS

Table of n, a(n) for n=1..46.

EXAMPLE

252=A002113(34), A083664(7)*A083664(7+1)=28*9=252, therefore 252

is a term, also A083664(19)*A083664(19+2)=18*14=252.

CROSSREFS

Cf. A083126.