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A259028 a(n) = least number m such that digital root of m is n*(digital root of m-th prime). 0
25, 29, 12, 26, 131, 42, 106, 8, 63 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Corresponding pairs of m and prime(m): {25,97}, {29,109}, {12,37}, {26, 101}, {131,739}, {42,181}, {106,577}, {8,19}, {63,307}.

LINKS

Table of n, a(n) for n=1..9.

MATHEMATICA

Table[m = 1; While[FixedPoint[Total@ IntegerDigits[#] &, m] != n FixedPoint[Total@ IntegerDigits[#] &, Prime@ m], m++]; m, {n, 9}] (* Michael De Vlieger, Jun 19 2015 *)

CROSSREFS

Cf. A000040, A010888, A038194, A258876, A258877.

Sequence in context: A195613 A127652 A303812 * A317392 A234640 A219258

Adjacent sequences:  A259025 A259026 A259027 * A259029 A259030 A259031

KEYWORD

nonn,base,fini,full

AUTHOR

Zak Seidov, Jun 17 2015

STATUS

approved

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Last modified March 28 15:12 EDT 2020. Contains 333089 sequences. (Running on oeis4.)