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 A114145 Self-describing sequence : 2 composite integers between two primes, then 4 composites, then 6, then 7, then 8, etc. The quantity of composites in each run is given by the sequence itself. (Sequence is strictly increasing and the smallest next available prime is used when needed). 0
 2, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 23, 24, 25, 26, 27, 28, 30, 32, 37, 38, 39, 40, 42, 44, 45, 46, 48, 53, 54, 55, 56, 57, 58, 60, 62, 63, 64, 67, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 83, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 102 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,1 LINKS EXAMPLE Runs of composites between brackets: 2,(4,6),7,(8,9,10,12),13,(14,15,16,18,20,21),23,(24,25,26,27,28,30,32)... .^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ .2 comp. 4 comp. 6 comp. 7 comp. (etc.) = the sequence itself PROG (PARI) {m=20; k=2; v=[k]; for(j=1, m, count=0; while(count

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Last modified June 23 02:28 EDT 2021. Contains 345395 sequences. (Running on oeis4.)