1,1

a(1) = 2 * 3 = 6 (the product of the first 2 primes)

a(2) = 5 * 7 * 11 = 385 (the product of the next 3 primes)

a(3) = 13 * 17 * 19 * 23 * 29 = 2800733 (product of next 5 primes)

a(4) = 31 * 37 * 41 * 43 * 47 * 53 * 59 = 297194980009 (product next 7 primes)

Sequence in context: A078207 A060871 A162137 this_sequence A058807 A000474 A029591

Adjacent sequences: A119642 A119643 A119644 this_sequence A119646 A119647 A119648

easy,nonn

Walter G. Carlini (541carlini(AT)charter.net), Jul 28 2006