1,1

Treated as strings, 6455 is a substring of 64553 = Prime(6455), so 6455 belongs to the sequence.

Pairs {n, prime(n)}: {7, 17}, {6455, 64553}, {6456, 64567}, {6457, 64577}, {6459, 64591}, {6460, 64601}, {6466, 64661}, {9551, 99551}, {303027, 4303027}, {440999, 6440999}, {968819, 14968819}, {5517973, 95517973}.

Select[Range[10^6], StringPosition[ToString[Prime[ # ]], ToString[ # ]] != {} &]

Cf. A067248, A046883, A075902.

Adjacent sequences: A068572 A068573 A068574 this_sequence A068576 A068577 A068578

Sequence in context: A103174 A125036 A098803 this_sequence A119528 A116266 A023344

base,nonn

Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Mar 26 2002

More terms from Zak Seidov (zakseidov(AT)yahoo.com), Sep 27 2002

Three more terms from Farideh Firoozbakht (mymontain(AT)yahoo.com), Jan 06 2007