Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 7, all different and > 7 (0 is never taken as the most significant digit).
A077300
Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 7, all different and > 7 (0 is never taken as the most significant digit).
Terms
- a(1) =12131a(2) =4151a(4) =2324a(5) =252a(6) =6272a(7) =829303132a(8) =33343536373a(9) =83940414243a(10) =4445a(11) =46474849505a(12) =15253a(14) =364a(15) =6566a(18) =868a(19) =78889909a(20) =192939495
External references
- oeis: A077300