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A082518 Palindromic primes whose digital root equals their middle digits. 0
919, 929, 18181, 18481, 36263, 36563, 72227, 72727, 90709, 1082801, 1085801, 1175711, 1177711, 1178711, 1262621, 1268621, 1444441, 1447441, 1532351, 1535351, 1628261, 1712171, 1714171, 1802081, 1805081, 1895981, 1981891 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

1895981 is in the sequence because digital root rho(1895981)=rho(1+8+9+5+9+8+1)=rho(41)=4+1=5, which is the middle digit of 1895981.

CROSSREFS

Cf. A002385.

Sequence in context: A029897 A062335 A179673 * A128375 A068689 A088284

Adjacent sequences:  A082515 A082516 A082517 * A082519 A082520 A082521

KEYWORD

base,nonn

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 30 2003

EXTENSIONS

Corrected by Don Reble (djr(AT)nk.ca) and T. D. Noe (noe(AT)sspectra.com), Nov 15 2006

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.