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 A130594 #12 Nov 24 2021 11:23:59 %S A130594 1,7,13,927,1705,10609 %N A130594 Numbers which are both lucky (A000959) and tribonacci (A000073). %C A130594 No other terms below 15902591. The next candidate is the odd tribonacci number 15902591. Is this also a lucky number? - _Harvey P. Dale_, Jul 12 2008 %C A130594 This is to tribonacci as A057589 is to the Fibonacci numbers. %C A130594 a(7) >= 23837527729. - _Kevin P. Thompson_, Nov 24 2021 %e A130594 a(6) = 10609 because it is lucky A000959(1182) and tribonacci A000073(18). %Y A130594 Cf. A000073, A057589, A000959. %K A130594 nonn,less,hard %O A130594 1,2 %A A130594 _Jonathan Vos Post_, Jun 16 2007