A091332 - OEIS

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A091332

Natural numbers written out with their digits grouped in sets of four (leading zeros omitted).

1234, 5678, 9101, 1121, 3141, 5161, 7181, 9202, 1222, 3242, 5262, 7282, 9303, 1323, 3343, 5363, 7383, 9404, 1424, 3444, 5464, 7484, 9505, 1525, 3545, 5565, 7585, 9606, 1626, 3646, 5666, 7686, 9707, 1727, 3747, 5767, 7787, 9808, 1828, 3848, 5868, 7888

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Rémy Sigrist, Table of n, a(n) for n = 1..10000

PROG

(PARI) {c=0; d=[]; for(n=1, 99, while(#d<4, d=concat(d, digits(c++))); print1(sum(i=1, 4, d[i]*10^(4-i))", "); d=vecextract(d, "^..4"))} \\ M. F. Hasler, Oct 23 2014

CROSSREFS

Cf. A059805, A091331.

Sequence in context: A104971 A193492 A279204 * A210515 A122043 A179913

Adjacent sequences: A091329 A091330 A091331 * A091333 A091334 A091335

KEYWORD

base,easy,nonn

AUTHOR

J. Taylor (integersfan(AT)yahoo.com), Mar 01 2004

STATUS

approved