A160395 Each term is the previous term plus the number of letters in the previous number, as conventionally spelled out in British English.

1, 4, 8, 13, 21, 30, 36, 45, 54, 63, 73, 85, 95, 105, 122, 144, 166, 187, 211, 230, 249, 271, 294, 317, 341, 364, 388, 414, 436, 459, 482, 505, 523, 548, 572, 596, 619, 640, 658, 681, 703, 723, 749, 773, 800, 812, 833, 859, 883, 909, 927, 952, 974, 999, 1023

Offset

1,2

Comments

Increases a little faster than A060403 since British English uses 'and' to separate hundreds from the rest of the number. e.g. 619 = "six hundred and nineteen" in British English but "six hundred nineteen" in American English

References

GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 49 and 214.

Links

Table of n, a(n) for n=1..55.

Crossrefs

For American English see A060403

Sequence in context: A335445 A060403 A139097 * A038793 A036709 A052115

Adjacent sequences: A160392 A160393 A160394 * A160396 A160397 A160398

Keyword

easy,nonn,word

Author

Carl R. White, May 12 2009

Status

approved