This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A155873 #11 Feb 01 2022 07:11:05 %S A155873 2,3,5,7,23,37,59,73,233,373,593,739,2339,3733,5939,7393,23399,37337, %T A155873 59393,73939,233993,373379,593933,739391,2339933,3733799,5939333, %U A155873 7393913,23399339,37337999,59393339,73939133 %N A155873 This sequence of prime numbers reproduces itself (without its "tail") when the last digit of each term is erased. %C A155873 Sequence computed by Mensanator. The "tail" of the sequence is made from its last four terms. This is the longest possible such sequence. %e A155873 Erasing the last digit of every term of 2 3 5 7 23 37 59 73 leaves 2 3 5 7, which is 2 3 5 7 23 37 59 73 without its "tail" (the last four integers). %Y A155873 Cf. A024770 (right-truncatable primes: every prefix is prime). %K A155873 base,easy,fini,nonn %O A155873 1,1 %A A155873 _Eric Angelini_, Jan 29 2009