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 A045984 #19 Feb 25 2024 10:43:19 %S A045984 1,2,33,602,602,2522,211673,3405122,3405122,49799889,202536181, %T A045984 3195380868,5208143601,85843948321,97524222465 %N A045984 a(n) = smallest number m such that factorizations of n consecutive integers starting at m have same number of primes (counted with multiplicity). %C A045984 a(16) > 10^13. a(16) must have at least 5 prime factors (counted with multiplicity) because one of the 16 consecutive numbers is divisible by 2^4. - _Donovan Johnson_, Apr 01 2013 %e A045984 a(4) = 602 as 602 = 2 * 7 * 43, 603 = 3 * 3 * 67, 604 = 2 * 2 * 151, 605 = 5 * 11 * 11 so four consecutive positive integers have the same number of prime factors starting at 602, the first such number. - _David A. Corneth_, Feb 24 2024 %Y A045984 Cf. A001222, A045920, A045939, A045940, A045941, A045942, A077657, A117969, A356953. %K A045984 nonn,more %O A045984 1,2 %A A045984 _David W. Wilson_ %E A045984 More terms from _Vladeta Jovovic_, Aug 06 2002 %E A045984 More terms from _Martin Fuller_, Nov 21 2006