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

Author

Rémy Sigrist, Mar 03 2024

Keywords

• nonn
• base
• easy

Comments

All positive terms belong to A015976.

Examples

			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.
		

Crossrefs

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

Programs

PARI

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