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A032752
Palindromic Super-4 Numbers.
1
83338, 1142411, 1571751, 1587851, 2013102, 2081802, 2541452, 3278723, 3394933, 3433343, 3863683, 4684864, 5067605, 5516155, 5985895, 6148416, 6467646, 6771776, 6912196, 7043407, 7136317, 7304037, 7417147, 7605067, 7987897
OFFSET
1,1
REFERENCES
C. A. Pickover, "Keys to Infinity", New York: Wiley, p. 7, 1995.
LINKS
Eric Weisstein's World of Mathematics, Super-d Number.
MATHEMATICA
Select[Range[80*10^5], PalindromeQ[#]&&SequenceCount[IntegerDigits[4#^4], {4, 4, 4, 4}]>0&] (* Harvey P. Dale, Jan 18 2023 *)
CROSSREFS
Sequence in context: A235097 A125779 A233925 * A104928 A202933 A013885
KEYWORD
nonn,base,changed
AUTHOR
Patrick De Geest, May 15 1998
STATUS
approved