A370842 Numbers k that can be added without carries to their digit reversal (A004086(k)).

0, 1, 2, 3, 4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 40, 41, 42, 43, 44, 45, 50, 51, 52, 53, 54, 60, 61, 62, 63, 70, 71, 72, 80, 81, 90, 100, 101, 102, 103, 104, 105, 106, 107, 108, 110, 111, 112, 113

Offset

1,3

Comments

All positive terms belong to A015976.

Links

Table of n, a(n) for n=1..63.

Example

42 belongs to the sequence as 42 + 24 does not lead to carries.
48 does not belong to the sequence as 48 + 84 leads to carries.

Prog

(PARI) is(n, base = 10) = { my (d = if (n, digits(n, base), [0]), p = d + Vecrev(d)); vecmax(p) < base }

Crossrefs

Cf. A004086, A015976, A056964, A140900 (base-2 analog).

Sequence in context: A329230 A119798 A015976 * A098892 A174139 A037325

Adjacent sequences: A370839 A370840 A370841 * A370843 A370844 A370845

Keyword

nonn,base,easy

Author

Rémy Sigrist, Mar 03 2024

Status

approved