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 A133096 #11 Sep 12 2023 02:04:36 %S A133096 0,0,0,4,12,20,18,50,34,66,80,70,120,76,90,198,140,70,110,156,100,164, %T A133096 10,-6,198,66,258,280,732,390,594,342,270,314,210,402,252,246,-28, %U A133096 -204,-224,234,14,528,500,850,1110,942,1014,1542,1906,1416,1034,1454,970,982,1518 %N A133096 a(n) = A079848(n) - A062294(n). %C A133096 A079848 is the sequence of smallest primes such that the pairwise sums of not necessarily distinct elements are all distinct, whereas A062294 is the sequence of smallest primes such that the pairwise sums of distinct elements are all distinct. %H A133096 Klaus Brockhaus, <a href="/A133096/b133096.txt">Table of n, a(n) for n = 1..3600</a> %e A133096 a(6) = A079848(6) - A062294(6) = 37 - 17 = 20. %o A133096 (Python) %o A133096 from collections import deque %o A133096 from itertools import islice %o A133096 from sympy import nextprime %o A133096 def A133096_gen(): # generator of terms %o A133096 aset2, alist, bset2, blist, aqueue, bqueue, k = set(), [], set(), [], deque(), deque(), 1 %o A133096 while (k:=nextprime(k)): %o A133096 cset2 = set() %o A133096 for a in alist: %o A133096 if (m:=k-a) in aset2: %o A133096 break %o A133096 cset2.add(m) %o A133096 else: %o A133096 aqueue.append(k) %o A133096 alist.append(k) %o A133096 aset2.update(cset2) %o A133096 cset2 = set() %o A133096 for b in blist: %o A133096 if (m:=b+k) in bset2: %o A133096 break %o A133096 cset2.add(m) %o A133096 else: %o A133096 bqueue.append(k) %o A133096 blist.append(k) %o A133096 bset2.update(cset2) %o A133096 if len(aqueue) > 0 and len(bqueue) > 0: %o A133096 yield aqueue.popleft()-bqueue.popleft() %o A133096 A133096_list = list(islice(A133096_gen(),30)) # _Chai Wah Wu_, Sep 11 2023 %Y A133096 Cf. A062294, A079848, A133097. %K A133096 sign %O A133096 1,4 %A A133096 _Klaus Brockhaus_, Sep 17 2007