A225066 Least hexagonal number that is the product of n hexagonal numbers greater than 1. 6, 2850, 79800, 2162160, 134734320, 15518903400, 174626020800, 19794628854000, 659394533191680, 659394533191680, 659394533191680, 38022361747469489295360 1 6 2 2850 3 79800 4 2162160 5 134734320 6 15518903400 7 174626020800 8 19794628854000 9 659394533191680 10 659394533191680 11 659394533191680 12 38022361747469489295360 a(1) = 6 = hex(2) = hex(2) Indices: 2 Values: 6 a(2) = 2850 = hex(38) = hex(3) * hex(10) Indices: 3,10 Values: 15,190 a(3) = 79800 = hex(200) = hex(3) * hex(4) * hex(10) Indices: 3,4,10 Values: 15,28,190 a(4) = 2162160 = hex(1040) = hex(2)^2 * hex(4) * hex(33) Indices: 2,2,4,33 Values: 6,6,28,2145 a(5) = 134734320 = hex(8208) = hex(2)^2 * hex(3) * hex(4) * hex(67) Indices: 2,2,3,4,67 Values: 6,6,15,28,8911 a(6) = 15518903400 = hex(88088) = hex(2) * hex(3) * hex(6)^2 * hex(7) * hex(15) Indices: 2,3,6,6,7,15 Values: 6,15,66,66,91,435 a(7) = 174626020800 = hex(295488) = hex(2)^4 * hex(3) * hex(10) * hex(154) Indices: 2,2,2,2,3,10,154 Values: 6,6,6,6,15,190,47278 a(8) = 19794628854000 = hex(3146000) = hex(2)^2 * hex(3)^3 * hex(6)^2 * hex(137) Indices: 2,2,3,3,3,6,6,137 Values: 6,6,15,15,15,66,66,37401 a(9) = 659394533191680 = hex(18157568) = hex(2)^5 * hex(6) * hex(16) * hex(20) * hex(41) Indices: 2,2,2,2,2,6,16,20,41 Values: 6,6,6,6,6,66,496,780,3321 a(10) = 659394533191680 = hex(18157568) = hex(2)^9 * hex(5720) Indices: 2,2,2,2,2,2,2,2,2,5720 Values: 6,6,6,6,6,6,6,6,6,65431080 a(11) = 659394533191680 = hex(18157568) = hex(2)^8 * hex(6) * hex(20) * hex(62) Indices: 2,2,2,2,2,2,2,2,6,20,62 Values: 6,6,6,6,6,6,6,6,66,780,7626 a(12) = 38022361747469489295360 = hex(137881038848) = hex(2)^8 * hex(4) * hex(26) * hex(126) * hex(3105) Indices: 2,2,2,2,2,2,2,2,4,26,126,3105 Values: 6,6,6,6,6,6,6,6,28,1326,31626,19278945