A138975 Primes made up of only 3's and a 4 and at most two 2's.

23, 43, 223, 233, 433, 2333, 3323, 3343, 3433, 23333, 32233, 32323, 33223, 33343, 232333, 233323, 323233, 323333, 333233, 333323, 333433, 334333, 343333, 2332333, 2333323, 3223333, 3233323, 3233333, 3332233, 3333233, 3333433, 3433333

Offset

1,1

Links

Table of n, a(n) for n=1..32.

Crossrefs

Cf. A020458, A138974.

Sequence in context: A296563 A023264 A180534 * A168439 A332399 A198949

Adjacent sequences: A138972 A138973 A138974 * A138976 A138977 A138978

Keyword

nonn,base

Author

Lekraj Beedassy, Apr 05 2008

Status

approved