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 A118750 a(n) = product[k=1..n] P(k), where P(k) is the largest prime <= 3*k. a(n) = product[k=1..n] A118749(k). 8
 3, 15, 105, 1155, 15015, 255255, 4849845, 111546435, 2565568005, 74401472145, 2306445636495, 71499814731345, 2645493145059765, 108465218947450365, 4664004414740365695, 219208207492797187665, 10302785752161467820255 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Differs from (after first term) A048599 "Partial products of the sequence (A001097) of twin primes" after 8th term. Differs from (after first term) A070826 "One half of product of first n primes A000040" after 9th term. Analogous to A118455 a(1)=1. a(n) = product{k=1..n} P(k), where P(k) is the largest prime <= k. LINKS CROSSREFS Cf. A020482, A049653, A060266-A060268, A060264, A060265, A060308, A118455, A118456, A118748. Sequence in context: A001147 A000268 A207818 * A070826 A048599 A129731 Adjacent sequences:  A118747 A118748 A118749 * A118751 A118752 A118753 KEYWORD easy,nonn AUTHOR Jonathan Vos Post, Apr 29 2006 STATUS approved

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Last modified October 23 16:53 EDT 2018. Contains 316529 sequences. (Running on oeis4.)