Assume that the starting/seed value is s0 = 0 and the sequence is sn = sn - 1 + 3. Substitute the value of n for each nth term to get: s1 = 3 s2 = 6 s3 = 9 s4 = 12 s5 = 15
browning.com has a sn function listed under customer service.
27x3+6=87.
3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 plus 3 is 54.
3 plus 3 plus 3 is 9. 3 plus 3 plus 3 plus 3 plus 3 plus 3 is 18.
1969
Seaman
The answer to your question is twenty four.
15
c-3 o+2 sn+4 al-3
@ 1975
25