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A118526
Start with 1 and repeatedly reverse the digits and add 7 to get the next term.
1
1, 8, 15, 58, 92, 36, 70, 14, 48, 91, 26, 69, 103, 308, 810, 25, 59, 102, 208, 809, 915, 526, 632, 243, 349, 950, 66, 73, 44, 51, 22, 29, 99, 106, 608, 813, 325, 530, 42, 31, 20, 9, 16, 68, 93, 46, 71, 24, 49, 101, 108, 808, 815, 525, 532, 242, 249, 949, 956, 666, 673, 383, 390, 100, 8
OFFSET
1,2
LINKS
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
After 1 step enters a cycle of length 63.
MAPLE
a:= proc(n) option remember; `if`(n=1, 1, 7 +(s-> parse(
cat(seq(s[-i], i=1..length(s)))))(cat("", a(n-1))))
end:
seq(a(n), n=1..65); # Alois P. Heinz, Nov 07 2019
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, May 06 2006
STATUS
approved