A341161 The sum of the prime digits of m and the sum of the nonprime digits of m differ by n.

1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 119, 48, 49, 68, 69, 88, 89, 99, 199, 488, 489, 499, 689, 699, 889, 899, 999, 1999, 4889, 4899, 4999, 6899, 6999, 8899, 8999, 9999, 19999, 48899, 48999, 49999, 68999, 69999, 88999, 89999, 99999, 199999, 488999

Offset

1,2

Comments

This is the lexicographically earliest sequence of distinct terms > 0 with this property.

The nonprime digits are 0, 1, 4, 6, 8 and 9; the prime digits are 2, 3, 5 and 7. After a(7) = 7 no more terms will show a prime digit.

Links

Carole Dubois, Table of n, a(n) for n = 1..74

Example

The sequence:     1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 119, 48,...
Sum of prime dig. 0  2  3  0  5  0  7  0  0   0    0   0
Sum of nonprimes  1  0  0  4  0  6  0  8  9  10   11  12
Difference (= n)  1  2  3  4  5  6  7  8  9  10   11  12

Crossrefs

Cf. A085562, A085563, A341011.

Sequence in context: A274841 A247227 A048410 * A180083 A345142 A275775

Adjacent sequences: A341158 A341159 A341160 * A341162 A341163 A341164

Keyword

base,nonn

Author

Carole Dubois and Eric Angelini, Feb 06 2021

Status

approved