

A308002


a(n) = smallest nonnegative number that requires n applications of the modified Sisyphus function x > A171797(x) to reach 312.


6




OFFSET

0,1


COMMENTS

The next term, a(5), is 1 0^1000099 1^100010, a number with 1100110 digits, and is too large to display here.
a(n) = index of first n in A100961.


REFERENCES

M. E. Coppenbarger, Iterations of a modified Sisyphus function, Fib. Q., 56 (No. 2, 2018), 130141.


LINKS



EXAMPLE

0 > 110 > 312 reaches 312 in two steps, so a(2) = 0.


CROSSREFS



KEYWORD

nonn,base


AUTHOR



STATUS

approved



