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 A077298 #11 May 14 2025 17:46:41 %S A077298 12345,678910,1112131415,1617181920,2122232425,2627282930,3132333435, %T A077298 3637383940,4142434445,4647484950,515,25,35,45,55,65,75,85,960, %U A077298 6162636465,6667686970,7172737475,7677787980,8182838485,8687888990 %N A077298 Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 5, all different and > 5. (0 never taken as the most significant digit.) %Y A077298 Cf. A077293, A077294, A077295, A077296, A077297, A077299, A077300, A077301, A077302. %K A077298 base,nonn %O A077298 1,1 %A A077298 _Amarnath Murthy_, Nov 03 2002 %E A077298 More terms from _R. J. Mathar_, Mar 13 2006 %E A077298 More terms from Kyle Shearer (kss198(AT)psu.edu), Mar 14 2006 %E A077298 Offset changed by _Sean A. Irvine_, May 14 2025