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 A255415 #18 Nov 17 2024 12:03:36 %S A255415 11,55,103,151,203,251,299,343,391,443,491,539,587,631,683,731,779, %T A255415 827,877,923,971,1019,1067,1117,1165,1211,1259,1307,1357,1405,1453, %U A255415 1499,1547,1597,1645,1693,1741,1787,1837,1885,1933,1981,2033,2077,2125,2173,2221,2273,2321,2365,2413,2461,2513,2561,2609,2653,2701,2753,2801,2849,2897,2941,2993,3041 %N A255415 Row 5 of Ludic array A255127. %C A255415 First differences are periodic with period length 48, cf. formulas. - _M. F. Hasler_, Nov 17 2024 %H A255415 Antti Karttunen, <a href="/A255415/b255415.txt">Table of n, a(n) for n = 1..10001</a> %F A255415 a(n) = A255407(A084969(n)). %F A255415 a(n) = a(n-48) + 2310 = a((n-1)%48 + 1) + [(n-1)/48]*2310, where % = mod = remainder operator, and [.] = floor. - _M. F. Hasler_, Nov 10 2024 %o A255415 (Scheme) (define (A255415 n) (A255127bi 5 n)) ;; Code for A255127bi given in A255127. %o A255415 (PARI) L255415=[n*337\14*2+7|n<-[0..47]]+digits(54129937554927109457534, 3)*2 %o A255415 apply( A255415(n)=n--\48*2310+L255415[n%48+1], [1..66]) \\ _M. F. Hasler_, Nov 10 2024 %Y A255415 Row 5 of A255127. See A255414 for row 4 and A255416 for row 6. %Y A255415 Cf. A084969, A255407. %K A255415 nonn %O A255415 1,1 %A A255415 _Antti Karttunen_, Feb 22 2015