Strong pseudoprimes (base-2) equal to product of 4 primes not necessarily distinct.

Terms

a(0) =800605a(1) =4502485a(2) =5310721a(3) =7177105a(4) =9995671a(5) =10655905a(6) =11473885a(7) =13216141a(8) =15698431a(9) =21417991a(10) =22564081a(11) =29878381a(12) =36338653a(13) =38624041a(14) =43397551a(15) =45485881a(16) =45769645a(17) =48369727a(18) =51340807a(19) =57561085a(20) =77576401a(21) =81445585a(22) =86067241a(23) =90626185a(24) =104852881a(25) =112792519a(26) =115007581