A248423 Multiples of 4 with digits backwards.

0, 4, 8, 21, 61, 2, 42, 82, 23, 63, 4, 44, 84, 25, 65, 6, 46, 86, 27, 67, 8, 48, 88, 29, 69, 1, 401, 801, 211, 611, 21, 421, 821, 231, 631, 41, 441, 841, 251, 651, 61, 461, 861, 271, 671, 81, 481, 881, 291, 691, 2

Offset

0,2

Links

Table of n, a(n) for n=0..50.

Prog

(PARI) a(n) = subst(Polrev(digits(4*n)), x, 10); \\ Michel Marcus, Oct 06 2014

Crossrefs

Cf. A004093 (multiples of 2 backwards), A008586 (multiples of 4).

Sequence in context: A077921 A097076 A003608 * A319565 A129794 A370956

Adjacent sequences: A248420 A248421 A248422 * A248424 A248425 A248426

Keyword

nonn,base

Author

Jacy Fang, Oct 06 2014

Status

approved