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A046499 Palindromes expressible as the sum of 4 consecutive palindromes. 2
22, 242, 464, 868, 4664, 8668, 40604, 44644, 48684, 80608, 84648, 88688, 406604, 446644, 486684, 806608, 846648, 886688, 4006004, 4046404, 4086804, 4406044, 4446444, 4486844, 4806084, 4846484, 4886884, 8006008, 8046408, 8086808 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
All digits of all terms are even. - Harvey P. Dale, Jan 25 2013
LINKS
P. De Geest, World!Of Numbers
EXAMPLE
22 = 4 + 5 + 6 + 7;
242 = 44 + 55 + 66 + 77.
CROSSREFS
Cf. A002113.
Sequence in context: A091783 A213072 A159649 * A126903 A035706 A249085
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Sep 15 1998
STATUS
approved

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Last modified December 3 19:10 EST 2023. Contains 367540 sequences. (Running on oeis4.)