*The first two terms are any positive numbers. *Each of the remaining terms is the sum of the digits of the previous two terms. For example
*The first two terms are any positive numbers. *Each of the remaining terms is the sum of the digits of the previous two terms. For example
Chapter12: Sequences, Series And Binomial Theorem
Section: Chapter Questions
Problem 327PT: Find the twenty-third term of an arithmetic sequence whose seventh term is 11 and common difference...
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Topic Video
Question
A Diginacci Sequence is created as following.
*The first two terms are any positive numbers.
*Each of the remaining terms is the sum of the digits of the previous two terms.
For example, starting 5 and 8 the Diginacci Sequence is
5, 8,13,12,7,10.....
The calculation for this example are
5+8=13, 8+1+3=12, 1+3+1+2=7, 1+2+7=10
A. Find, with explanation, two starting terms for a Diginacci Sequence so that it's 2021st term is 11.
B. Find, with explanation, a Diginacci Sequence that has no term equal to 11.
C. Find, with explanation, a sequence with two different starting terms which contains five consecutive terms that are even and not all identical.
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