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A376434
Smallest n-digit term in A104179.
3
2, 23, 223, 2237, 23333, 223337, 2233373, 22323337, 222335353, 2232333533, 22323332323, 222335353337, 2223337223773, 22233372237737, 222322375373773, 2223223753737733, 22232232373337353, 222237322353237223, 2222327532332333737, 22223353533353323333
OFFSET
1,1
EXAMPLE
a(3) = 223 because 223 is the smallest 3-digit prime that is a concatenation of a 1-digit prime and a 2-digit prime that is itself a concatenation of 1-digit primes.
CROSSREFS
Subsequence of A104179.
Sequence in context: A030456 A357436 A069837 * A069629 A069614 A036937
KEYWORD
nonn,base
AUTHOR
Karl W. Heuer, Sep 22 2024
STATUS
approved