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A069583
Smallest prime of the form 1,n,2n,...(k-1)n,kn,(k-1)n,...2n,n,1 for some k.
0
1123211, 12421, 131, 14812841, 151, 16121824181261, 17142128354249566370778491981051121191261331401471541611681611541471401331261191121059891847770635649423528211471, 181, 191
OFFSET
1,1
COMMENTS
The original version of this sequence had a(1) = 11, but 1123211 seems to match the definition better.
CROSSREFS
Sequence in context: A116175 A278932 A059767 * A109209 A340229 A100365
KEYWORD
nonn,base
AUTHOR
Amarnath Murthy, Mar 24 2002
EXTENSIONS
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 31 2003
STATUS
approved