A087388
a(1) = 2; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).
Original entry on oeis.org
2, 23, 3203, 302317, 7132031, 130231711, 1171320317, 71302317113, 31171320317057, 7507130231711321, 123117132031705727, 7275071302317113213, 312311713203170572751, 157275071302317113213041
Offset: 1
a(2) = 23, a(3) is the smallest prime beginning with 32 and is 3203.
A087389
a(1) = 3; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).
Original entry on oeis.org
3, 31, 131, 1319, 913103, 3013193, 39131033, 3301319309, 903913103341, 14330131930927, 729039131033419, 9143301319309279, 97290391310334191, 1914330131930927929, 929729039131033419149, 94191433013193092792927
Offset: 1
a(2)= 31, a(3) is the smallest prime beginning with 31 and is 131.
A087390
a(1) = 7; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).
Original entry on oeis.org
7, 71, 173, 3719, 91733, 3371947, 749173303, 3033719477, 774917330303, 30303371947759, 957749173303031, 13030337194775911, 1195774917330303119, 9113030337194775911093, 390119577491733030311941
Offset: 1
a(2) = 71, a(3) is the smallest prime beginning with 17 and is 173.
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