Opmanis's sequence: a(n) is the smallest integer k such that k or one of its nonzero substrings (regarded as an integer) is divisible by every integer in the range 1 through n.
A177834
Opmanis's sequence: a(n) is the smallest integer k such that k or one of its nonzero substrings (regarded as an integer) is divisible by every integer in the range 1 through n.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =12a(4) =45a(5) =54a(6) =56a(7) =56a(8) =245a(9) =504a(10) =1440a(11) =1440a(12) =5044a(13) =5044a(14) =10456a(15) =10569a(16) =11704a(17) =11704a(18) =11704a(19) =13608a(20) =13608a(21) =13608a(22) =26460a(23) =26460a(24) =198007a(25) =258064a(26) =264600a(27) =264600a(28) =475440a(29) =475440
External references
- oeis: A177834