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A032610 Concatenation of n and n + 5 or {n,n+5}. 2
16, 27, 38, 49, 510, 611, 712, 813, 914, 1015, 1116, 1217, 1318, 1419, 1520, 1621, 1722, 1823, 1924, 2025, 2126, 2227, 2328, 2429, 2530, 2631, 2732, 2833, 2934, 3035, 3136, 3237, 3338, 3439, 3540, 3641, 3742, 3843, 3944, 4045, 4146, 4247 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..42.

FORMULA

a(n) = n*10^floor(log_10(n+5)+1) + n + 5, with n >= 0. - Paolo P. Lava, Oct 09 2008

CROSSREFS

Cf. A001704, A020338.

Sequence in context: A199013 A118642 A088247 * A286429 A329206 A280935

Adjacent sequences:  A032607 A032608 A032609 * A032611 A032612 A032613

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, May 15 1998

STATUS

approved

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Last modified September 26 09:15 EDT 2021. Contains 347664 sequences. (Running on oeis4.)