A082435 Palindromic primes with middle digit 0.

101, 16061, 31013, 35053, 38083, 73037, 74047, 91019, 94049, 1120211, 1150511, 1160611, 1180811, 1190911, 1250521, 1280821, 1300031, 1360631, 1390931, 1490941, 1520251, 1550551, 1580851, 1600061, 1630361, 1640461, 1660661

Offset

1,1

Links

Jeppe Stig Nielsen, Table of n, a(n) for n = 1..10000

Prog

(Magma) [ p: p in PrimesUpTo(200000000) | IsOdd(d) and D[(d+1) div 2] eq 0 and D eq Reverse(D) where d is #D where D is Intseq(p) ]; // Vincenzo Librandi, Apr 12 2011
(PARI) for(m=2, 5, forstep(j=10^(m-1), 10^m-1, 10, d=digits(j); p=fromdigits(vector(2*m-1, x, if(x<m, d[x], d[2*m-x]))); isprime(p)&&print1(p, ", "))) \\ Jeppe Stig Nielsen, Feb 20 2021

Crossrefs

Cf. A002385.

Sequence in context: A267937 A185893 A156669 * A136098 A153807 A327741

Adjacent sequences: A082432 A082433 A082434 * A082436 A082437 A082438

Keyword

nonn,base

Author

Lekraj Beedassy, Apr 25 2003

Status

approved