A083183 Smallest palindromic prime using only prime digits (2,3,5,7) and having a sum of digits = prime(n), or 0 if no such number exists.

2, 3, 5, 7, 353, 373, 33533, 757, 35753, 75557, 77377, 3773773, 325777523, 327757723, 357575753, 32577577523, 32777777723, 35775757753, 72777777727, 3557577757553, 3777727277773, 3775777775773, 7777573757777

Offset

1,1

Comments

Conjecture: no entry is zero.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..39

Crossrefs

Cf. A083184, A045336.

Sequence in context: A052025 A359491 A045336 * A046477 A360789 A145843

Adjacent sequences: A083180 A083181 A083182 * A083184 A083185 A083186

Keyword

base,nonn

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 26 2003

Extensions

Corrected and extended by Patrick De Geest, Jun 12 2003

Status

approved